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    <title>topic Re: PBRS Oct 2020 encounter errors in scheduled refresh in Report Server</title>
    <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1510894#M16846</link>
    <description>&lt;P&gt;Hello,&lt;BR /&gt;I'm still having refresh issues, even installing the patched version of the report server&lt;BR /&gt;&lt;SPAN&gt;Errors messages are various but refresh is still not working:&lt;BR /&gt;&lt;BR /&gt;Example 1:&lt;BR /&gt;SessionID: 1ac2c341-9031-403f-b2e9-4255696a4a50&lt;BR /&gt;[0] -1056505856: COM error: Microsoft.PowerBI.ReportServer.ASEngineManagedRoot, No credentials were found for the datasource.&lt;BR /&gt;[1] -1056505856: COM error: Microsoft.PowerBI.ReportServer.ASEngineManagedRoot, No credentials were found for the datasource.&lt;BR /&gt;[2] -1055784828: The database operation was cancelled because of an earlier failure.&lt;BR /&gt;&lt;BR /&gt;Example 2:&lt;BR /&gt;&lt;SPAN&gt;SessionID: b96cc89d-c112-4322-b0cd-aa1d8560acb4&lt;BR /&gt;[0] -1056505856: COM error: mscorlib, An item with the same key has already been added..&lt;BR /&gt;[1] -1055784828: The database operation was cancelled because of an earlier failure.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;/SPAN&gt;&lt;/P&gt;</description>
    <pubDate>Mon, 23 Nov 2020 11:34:02 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2020-11-23T11:34:02Z</dc:date>
    <item>
      <title>PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1470922#M16509</link>
      <description>&lt;P&gt;Hello,&amp;nbsp;&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;&lt;P&gt;After updated to latest PBRS,&amp;nbsp; some report show errors after data refresh (MSSQL server)&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;PRE&gt;2020-11-03 14:38:44.6959|INFO|49|Model Refresh: isRefreshActive=False, incoming databaseName=2f73dc1d-1d10-4623-ba13-c5d32a1140ba_-518857867, databaseId=1874950878, activeModel.DatabaseName=2f73dc1d-1d10-4623-ba13-c5d32a1140ba_-518857867&lt;BR /&gt;2020-11-03 14:38:44.6959|ERROR|49|Error Processing Data Model Refresh: SessionId: 728ccb82-3e25-4259-9f9f-89c9ce10ec7c, Status: Error Failed to refresh the model, Exception Microsoft.AnalysisServices.OperationException: Failed to save modifications to the server. Error returned: 'COM error: System.Core, 序列不包含任何元素.&lt;BR /&gt;The current operation was cancelled because another operation in the transaction failed.&lt;BR /&gt;'.&lt;BR /&gt;在 Microsoft.AnalysisServices.Tabular.Model.SaveChangesImpl(SaveOptions options)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.AsServer.TOMWrapper.RefreshModel(Database database)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.AsServer.AnalysisServicesServer.RefreshDatabase(String databaseName, IEnumerable`1 dataSources, IEnumerable`1 parameters, String clientSessionId)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.AnalysisServicesDataRefresh.RefreshDatabase(AsDatabaseInfo asDatabaseInfo)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.DataRefreshScope.&amp;lt;&amp;gt;c__DisplayClass34_0.&amp;lt;ExecuteActionWithLogging&amp;gt;b__0()&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.DataRefreshScope.&amp;lt;ExecuteFuncWithLogging&amp;gt;d__33`1.MoveNext()&lt;BR /&gt;2020-11-03 14:38:44.8086|ERROR|49|Error Processing Data Model Refresh: SessionId: 728ccb82-3e25-4259-9f9f-89c9ce10ec7c, Status: Error Failed Data Refresh, Exception Microsoft.AnalysisServices.OperationException: Failed to save modifications to the server. Error returned: 'COM error: System.Core, 序列不包含任何元素.&lt;BR /&gt;The current operation was cancelled because another operation in the transaction failed.&lt;BR /&gt;'.&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.DataRefreshScope.ExecuteActionWithLogging(Action methodToExecute, String description, String localizedDescription, String messageInFailure, RefreshInfo refreshInfo, DataAccessors dataAccessors, ReportEventType operation, Boolean isDataRetrieval, Boolean showInExecutionLog, Boolean sendToTelemetry)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.AnalysisServicesDataRefresh.RefreshData(RefreshInfo refreshInfo)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.DataRefreshScope.&amp;lt;&amp;gt;c__DisplayClass34_0.&amp;lt;ExecuteActionWithLogging&amp;gt;b__0()&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.DataRefreshScope.&amp;lt;ExecuteFuncWithLogging&amp;gt;d__33`1.MoveNext()&lt;/PRE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Which refreshed OK on desktop version. Any possible solutions to help me find why?&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Tue, 03 Nov 2020 06:48:29 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1470922#M16509</guid>
      <dc:creator>Dearc</dc:creator>
      <dc:date>2020-11-03T06:48:29Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1472251#M16526</link>
      <description>&lt;P&gt;Would it be possible to stop and restart the ReportServer and see if refresh is successful after? I am investigating the underlying issue, but this might unblock you in the meantime.&lt;/P&gt;</description>
      <pubDate>Tue, 03 Nov 2020 16:23:13 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1472251#M16526</guid>
      <dc:creator>Petebro</dc:creator>
      <dc:date>2020-11-03T16:23:13Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1473007#M16541</link>
      <description>&lt;P&gt;Hello &lt;a href="javascript:void(0)" data-lia-user-mentions="" data-lia-user-uid="33567" data-lia-user-login="Petebro" class="lia-mention lia-mention-user"&gt;Petebro&lt;/a&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I tried&amp;nbsp;&lt;/P&gt;&lt;P&gt;- restart RS or computer ---- not work&lt;/P&gt;&lt;P&gt;- removed all 3rd-party visuals ---- not work&amp;nbsp;&lt;BR /&gt;- create new schedule refresh plan ---- not work&lt;BR /&gt;- removed local file data source ---- not work&lt;BR /&gt;- closed setting "Parallel load table" ---- not work&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;&lt;P&gt;Here's the log&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;PRE&gt;2020-11-04 09:38:45.2839|INFO|26|Handling event with data: TimeEntered: 11/4/2020 1:38:40 AM, Type: Event, SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, EventType: DataModelRefresh&lt;BR /&gt;2020-11-04 09:38:45.4401|INFO|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Starting Data Refresh.&lt;BR /&gt;2020-11-04 09:38:45.4869|INFO|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Starting Retrieving PBIX AsDatabaseInfo.&lt;BR /&gt;2020-11-04 09:38:45.6900|INFO|35|Finding model for refresh with catalogId=c700e2be-6d1b-46d3-a5aa-ed4f7511009c, lastCatalogItemUpdate =11/3/2020 8:11:15 PM, lastModelUpdateinCatalog=11/3/2020 8:11:21 PM, resolved to database name=c700e2be-6d1b-46d3-a5aa-ed4f7511009c_-1429373596, wasInMemory=True&lt;BR /&gt;2020-11-04 09:38:45.7681|TRACE|35|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Finished Retrieving PBIX AsDatabaseInfo.&lt;BR /&gt;2020-11-04 09:38:45.7681|INFO|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Starting Verifying all the data sources are embedded.&lt;BR /&gt;2020-11-04 09:38:45.8462|TRACE|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Finished Verifying all the data sources are embedded.&lt;BR /&gt;2020-11-04 09:38:45.8462|INFO|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Starting Verifying connection strings are valid.&lt;BR /&gt;2020-11-04 09:38:45.9087|TRACE|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Finished Verifying connection strings are valid.&lt;BR /&gt;2020-11-04 09:38:45.9087|INFO|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Starting Streaming model to Analysis Server.&lt;BR /&gt;2020-11-04 09:38:46.0337|TRACE|32|New clientSessionId generated: clientSessionId=e6bbe324-d922-4463-9ed7-cb9db87ccaae&lt;BR /&gt;2020-11-04 09:38:46.0493|INFO|32|LoadDatabaseAsync: Successfully EnsureDbLoaded clientSessionId=e6bbe324-d922-4463-9ed7-cb9db87ccaae, databaseName=c700e2be-6d1b-46d3-a5aa-ed4f7511009c_-1429373596, modelId=1714036118, alreadyLoaded=True&lt;BR /&gt;2020-11-04 09:38:46.6429|TRACE|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Finished Streaming model to Analysis Server.&lt;BR /&gt;2020-11-04 09:38:46.6429|INFO|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Starting Refreshing the model.&lt;BR /&gt;2020-11-04 09:38:47.0647|INFO|26|GetDataSourcesCollection: databaseName=c700e2be-6d1b-46d3-a5aa-ed4f7511009c_-1429373596, PowerBIDataSourceVersion=PowerBI_V3&lt;BR /&gt;2020-11-04 09:38:47.0803|TRACE|26|Datasource *********************** parsed&lt;BR /&gt;2020-11-04 09:38:47.0803|TRACE|26|Datasource *********************** parsed&lt;BR /&gt;2020-11-04 09:38:47.0803|TRACE|26|Datasource ***************************************************************.xlsx parsed&lt;BR /&gt;2020-11-04 09:38:47.0803|TRACE|26|Datasource ***************************************************************.xlsx parsed&lt;BR /&gt;2020-11-04 09:38:47.0803|INFO|26|Model Refresh: isRefreshActive=True, incoming databaseName=c700e2be-6d1b-46d3-a5aa-ed4f7511009c_-1429373596, databaseId=1714036118, activeModel.DatabaseName=c700e2be-6d1b-46d3-a5aa-ed4f7511009c_-1429373596&lt;BR /&gt;2020-11-04 09:38:55.7970|INFO|26|Model Refresh: isRefreshActive=False, incoming databaseName=c700e2be-6d1b-46d3-a5aa-ed4f7511009c_-1429373596, databaseId=1714036118, activeModel.DatabaseName=c700e2be-6d1b-46d3-a5aa-ed4f7511009c_-1429373596&lt;BR /&gt;2020-11-04 09:38:55.7970|ERROR|26|Error Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Error Failed to refresh the model, Exception Microsoft.AnalysisServices.OperationException: Failed to save modifications to the server. Error returned: 'COM error: System.Core, 序列不包含任何元素.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDataReader interface. Please review the error message and provider documentation for further information and corrective action.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The current operation was cancelled because another operation in the transaction failed.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;BR /&gt;'.&lt;BR /&gt;在 Microsoft.AnalysisServices.Tabular.Model.SaveChangesImpl(SaveOptions options)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.AsServer.TOMWrapper.RefreshModel(Database database)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.AsServer.AnalysisServicesServer.RefreshDatabase(String databaseName, IEnumerable`1 dataSources, IEnumerable`1 parameters, String clientSessionId)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.AnalysisServicesDataRefresh.RefreshDatabase(AsDatabaseInfo asDatabaseInfo)&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.DataRefreshScope.&amp;lt;&amp;gt;c__DisplayClass34_0.&amp;lt;ExecuteActionWithLogging&amp;gt;b__0()&lt;BR /&gt;在 Microsoft.PowerBI.ReportServer.WebHost.EventHandler.DataRefreshScope.&amp;lt;ExecuteFuncWithLogging&amp;gt;d__33`1.MoveNext()&lt;BR /&gt;2020-11-04 09:38:55.8751|TRACE|26|Processing Data Model Refresh: SessionId: e6bbe324-d922-4463-9ed7-cb9db87ccaae, Status: Finished Refreshing the model.&lt;/PRE&gt;&lt;P&gt;&amp;nbsp;SQL Server Profile log&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;PRE&gt;exec AddExecutionLogEntryByReportId @InstanceName=N'*****',@ReportID='C700E2BE-6D1B-46D3-A5AA-ED4F7511009C',@UserName=N'NT AUTHORITY\NETWORK SERVICE',@AuthType=0,@RequestType=2,@Format=N'DataModel',@Parameters=NULL,@TimeStart='2020-11-04 09:38:46.6429542 +08:00',@TimeEnd='2020-11-04 09:38:55.7970299 +08:00',@TimeDataRetrieval=154,@TimeProcessing=0,@TimeRendering=0,@Source=1,@Status=N'rsInternalError',@ByteCount=0,@RowCount=0,@ExecutionId=N'e6bbe324-d922-4463-9ed7-cb9db87ccaae',@ReportAction=19,@AdditionalInfo=NULL&lt;/PRE&gt;&lt;PRE&gt;exec UpdateSubscriptionHistoryEntry @SubscriptionHistoryID=57655,@EndTime='2020-11-04 09:38:55.983',@Status=2,@Message=N'Several errors occured during data refresh. Please try again later or contact your &lt;BR /&gt;administrator.',@Details=N'{"SessionID":"e6bbe324-d922-4463-9ed7-cb9db87ccaae","Errors":[{"ErrorCode":-1056505856,"Message":"COM error: System.Core, &lt;BR /&gt;序列不包含任何元素.","CallStack":null},{"ErrorCode":-1055784934,"Message":"The command has been canceled.. The exception was raised by the IDataReader interface. Please review the error message and provider documentation for further information and corrective action.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055129594,"Message":"The current operation was cancelled because another operation in the transaction failed.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null},{"ErrorCode":-1055784932,"Message":"The command has been canceled.. The exception was raised by the IDbCommand interface.","CallStack":null}]}'&amp;nbsp;&lt;/PRE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Wed, 04 Nov 2020 02:29:13 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1473007#M16541</guid>
      <dc:creator>Dearc</dc:creator>
      <dc:date>2020-11-04T02:29:13Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1473169#M16543</link>
      <description>&lt;P&gt;&lt;SPAN&gt;Hello&amp;nbsp;&lt;/SPAN&gt;&lt;A href="https://community.powerbi.com/t5/user/viewprofilepage/user-id/33567" target="_blank"&gt;@Petebro&lt;/A&gt;&lt;SPAN&gt;&amp;nbsp;,&lt;BR /&gt;&lt;BR /&gt;&lt;/SPAN&gt;I think i found the problem. In my hybrid models, I have 3 datasource&lt;/P&gt;&lt;P&gt;1. Xlsx files&lt;/P&gt;&lt;P&gt;2. SQL server&lt;/P&gt;&lt;P&gt;3. Some table create by entered data&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I replace the entered data table with xlsx files, the refresh problem solved&lt;/P&gt;</description>
      <pubDate>Wed, 04 Nov 2020 04:05:11 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1473169#M16543</guid>
      <dc:creator>Dearc</dc:creator>
      <dc:date>2020-11-04T04:05:11Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1474784#M16558</link>
      <description>&lt;P&gt;Issue confirmed here as well.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Recreated by:&lt;/P&gt;&lt;P&gt;1. Added data source sql server table for import. Tested schedule in PBIRS -&amp;gt; successful refresh&lt;/P&gt;&lt;P&gt;2. Added small table by "Enter Data" (unrelated to table 1 from sql server). Tested schedule in PBIRS -&amp;gt; error&lt;/P&gt;&lt;P&gt;3. Tried a combo of SQL Server import source and excel file -&amp;gt; Works fine.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Issue seem to be related to tables generated from "Enter data". Refreshing in PBIRS encounters error, both in manual triggering of schedule and "on-clock" schduled runs. Error message returned is:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;LI-CODE lang="java"&gt;SessionID: 864f8ded-276d-4fb2-a5f5-8af41c243372
[0] -1056505856: COM error: System.Core, Sequence contains no elements.
[1] -1055784828: The database operation was cancelled because of an earlier failure.&lt;/LI-CODE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;This is a very critical issue that is quite hard to find. No upgrader for us unitl this is fixed... &lt;span class="lia-unicode-emoji" title=":disappointed_face:"&gt;😞&lt;/span&gt;&lt;/P&gt;&lt;P&gt;Crossing our fingers for a buggfix in a relase coming soon. &lt;span class="lia-unicode-emoji" title=":slightly_smiling_face:"&gt;🙂&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Wed, 04 Nov 2020 15:48:40 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1474784#M16558</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2020-11-04T15:48:40Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1474789#M16559</link>
      <description>&lt;P&gt;Thank you for your investigation and great details. I will pass this along now and have an update ASAP.&lt;/P&gt;</description>
      <pubDate>Wed, 04 Nov 2020 15:52:58 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1474789#M16559</guid>
      <dc:creator>Petebro</dc:creator>
      <dc:date>2020-11-04T15:52:58Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1479319#M16592</link>
      <description>&lt;P&gt;Hello guys,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I'm facing the same error after PBIRS Oct update: some reports are refreshing OK but some are just failing to Refresh with error: "&lt;/P&gt;&lt;PRE&gt;[0] -1056505856: COM error: System.Core, Sequence contains no elements.&lt;/PRE&gt;&lt;P&gt;"&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Restarted the server ==&amp;gt; same issue&lt;BR /&gt;Unchecked the Enhanced Metadata preview feature ==&amp;gt; same issue&amp;nbsp;&lt;BR /&gt;Deleted and saving the report again ==&amp;gt; same issue&lt;/P&gt;</description>
      <pubDate>Fri, 06 Nov 2020 13:05:36 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1479319#M16592</guid>
      <dc:creator>Cristian_Angyal</dc:creator>
      <dc:date>2020-11-06T13:05:36Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1480619#M16602</link>
      <description>&lt;P&gt;But In my case, after removing the "enter data", still there is error on refreshing on the server.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;error message is like this.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;no problem with previous version.&amp;nbsp; &amp;nbsp; &amp;nbsp;and desktop update with new version&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;PRE&gt;SessionID: a31e4ae3-8034-47af-b979-c4ee6756dc1c
[0] -1055784932: Information is needed in order to combine data;Information about a data source is required.. The exception was raised by the IDbCommand interface.
[1] -1055784932: The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;/PRE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Sat, 07 Nov 2020 20:12:41 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1480619#M16602</guid>
      <dc:creator>YonghunLee</dc:creator>
      <dc:date>2020-11-07T20:12:41Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1480623#M16603</link>
      <description>&lt;P&gt;Another Big issue.&amp;nbsp;&lt;/P&gt;&lt;P&gt;when using "Folder" data connection and connect to Sharepoint.&lt;/P&gt;&lt;P&gt;the File cannot be saved to Server.&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;img /&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Sat, 07 Nov 2020 20:15:01 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1480623#M16603</guid>
      <dc:creator>YonghunLee</dc:creator>
      <dc:date>2020-11-07T20:15:01Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1481396#M16608</link>
      <description>&lt;P&gt;Hello&amp;nbsp;&lt;BR /&gt;&lt;BR /&gt;The information is not clear enough. Links below may help you to find some clues&lt;/P&gt;&lt;OL&gt;&lt;LI&gt;&lt;A href="https://docs.microsoft.com/zh-cn/power-bi/report-server/scheduled-refresh" target="_blank" rel="noopener"&gt;https://docs.microsoft.com/zh-cn/power-bi/report-server/scheduled-refresh&lt;/A&gt;&amp;nbsp;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://docs.microsoft.com/zh-cn/power-bi/connect-data/refresh-troubleshooting-refresh-scenarios" target="_blank" rel="noopener"&gt;https://docs.microsoft.com/zh-cn/power-bi/connect-data/refresh-troubleshooting-refresh-scenarios&lt;/A&gt;&amp;nbsp;&lt;/LI&gt;&lt;/OL&gt;</description>
      <pubDate>Mon, 09 Nov 2020 01:05:40 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1481396#M16608</guid>
      <dc:creator>Dearc</dc:creator>
      <dc:date>2020-11-09T01:05:40Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1485413#M16647</link>
      <description>&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;We had the same issue with a table "Enter Data". As other mentioned it refreshes fine in Desktop but when we refresh it on the Report Server we got:&lt;/P&gt;&lt;P&gt;"COM error: System.Core, Sequence contains no elements.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;We removed the "Enter Data" and changed it with an Excel file, that changed the error to:&lt;/P&gt;&lt;PRE&gt;SessionID: 661334b7-6578-48a0-b28f-0861b7ef2873
[0] -1055784932: Information is needed in order to combine data;Information about a data source is required.. The exception was raised by the IDbCommand interface.
[1] -1055784932: The command has been canceled.. The exception was raised by the IDbCommand interface.
[2] -1055784934: The command has been canceled.. The exception was raised by the IDataReader interface. Please review the error message and provider documentation for further information and corrective action.
[3] -1055784932: The command has been canceled.. The exception was raised by the IDbCommand interface.
[4] -1055784932: The command has been canceled.. The exception was raised by the IDbCommand interface.
[5] -1055784932: The command has been canceled.. The exception was raised by the IDbCommand interface.
[6] -1055784932: The command has been canceled.. The exception was raised by the IDbCommand interface.
[7] -1055784932: The command has been canceled.. The exception was raised by the IDbCommand interface.&lt;/PRE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanksfully we only have this issue with a single report but we're still hoping for a quick fix or a workaround. Downgrading to May 2020 is not really an option for this report since a lot of development was added using October 2020 before we realised the issue.&lt;/P&gt;</description>
      <pubDate>Tue, 10 Nov 2020 16:20:02 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1485413#M16647</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2020-11-10T16:20:02Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1492999#M16702</link>
      <description>&lt;P&gt;Hi&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;We are facing the same issue. Do you know or somebody do know when a patch will be available ?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;The downgrade is not an option.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Regards&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 13 Nov 2020 13:56:54 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1492999#M16702</guid>
      <dc:creator>calimero48</dc:creator>
      <dc:date>2020-11-13T13:56:54Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1493274#M16706</link>
      <description>&lt;P&gt;Hi we are working on the patch and it will be released &lt;EM&gt;before&lt;/EM&gt; next Friday (Nov 20th).&lt;/P&gt;</description>
      <pubDate>Fri, 13 Nov 2020 16:34:55 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1493274#M16706</guid>
      <dc:creator>Petebro</dc:creator>
      <dc:date>2020-11-13T16:34:55Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1493412#M16710</link>
      <description>&lt;P&gt;Hi Petebro, what's the best way to stay notified of patch releases? Will it be posted to the blog?&lt;/P&gt;</description>
      <pubDate>Fri, 13 Nov 2020 17:48:49 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1493412#M16710</guid>
      <dc:creator>Mark1764</dc:creator>
      <dc:date>2020-11-13T17:48:49Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1493418#M16711</link>
      <description>&lt;P&gt;A good question. I will make a new thread here in the Report Server commuity forum to let people know it's been published as well as update the changelog.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Though I'll see about getting a blog post as well.&lt;/P&gt;</description>
      <pubDate>Fri, 13 Nov 2020 17:52:06 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1493418#M16711</guid>
      <dc:creator>Petebro</dc:creator>
      <dc:date>2020-11-13T17:52:06Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1498120#M16742</link>
      <description>&lt;P&gt;Looking forward to it!&lt;/P&gt;</description>
      <pubDate>Tue, 17 Nov 2020 07:12:20 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1498120#M16742</guid>
      <dc:creator>Cristian_Angyal</dc:creator>
      <dc:date>2020-11-17T07:12:20Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1498734#M16744</link>
      <description>&lt;P&gt;Hi,&lt;BR /&gt;I'm having the same issue here.&lt;/P&gt;&lt;P&gt;Old reports are still refreshing but after uploading a report modified/created with the October Desktop Version RS, scheduled refresh is not working anymore.&lt;BR /&gt;Regards&lt;/P&gt;</description>
      <pubDate>Tue, 17 Nov 2020 10:08:51 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1498734#M16744</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2020-11-17T10:08:51Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1510894#M16846</link>
      <description>&lt;P&gt;Hello,&lt;BR /&gt;I'm still having refresh issues, even installing the patched version of the report server&lt;BR /&gt;&lt;SPAN&gt;Errors messages are various but refresh is still not working:&lt;BR /&gt;&lt;BR /&gt;Example 1:&lt;BR /&gt;SessionID: 1ac2c341-9031-403f-b2e9-4255696a4a50&lt;BR /&gt;[0] -1056505856: COM error: Microsoft.PowerBI.ReportServer.ASEngineManagedRoot, No credentials were found for the datasource.&lt;BR /&gt;[1] -1056505856: COM error: Microsoft.PowerBI.ReportServer.ASEngineManagedRoot, No credentials were found for the datasource.&lt;BR /&gt;[2] -1055784828: The database operation was cancelled because of an earlier failure.&lt;BR /&gt;&lt;BR /&gt;Example 2:&lt;BR /&gt;&lt;SPAN&gt;SessionID: b96cc89d-c112-4322-b0cd-aa1d8560acb4&lt;BR /&gt;[0] -1056505856: COM error: mscorlib, An item with the same key has already been added..&lt;BR /&gt;[1] -1055784828: The database operation was cancelled because of an earlier failure.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 23 Nov 2020 11:34:02 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1510894#M16846</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2020-11-23T11:34:02Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1530531#M17017</link>
      <description>&lt;P&gt;Hi Everyone,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;A href="https://community.powerbi.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1474784/highlight/true#M16558" target="_self"&gt;My issue&lt;/A&gt; (previous post in thread) with manual input data sources is now fixed in the last release of PBIRS&amp;nbsp;&lt;SPAN class="ng-binding"&gt;Version&lt;/SPAN&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;&lt;SPAN class="ng-binding"&gt;1.9.7627.11028.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Hopefully some of your problems are also solved in the latest release. &lt;span class="lia-unicode-emoji" title=":slightly_smiling_face:"&gt;🙂&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Thu, 03 Dec 2020 08:36:33 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1530531#M17017</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2020-12-03T08:36:33Z</dc:date>
    </item>
    <item>
      <title>Re: PBRS Oct 2020 encounter errors in scheduled refresh</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1702854#M18398</link>
      <description>&lt;P&gt;Hi&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;The problem is solved with&amp;nbsp;&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;&lt;SPAN class="lia-link-navigation child-thread lia-link-disabled"&gt;PBRS January 2021&lt;/SPAN&gt;&lt;/LI&gt;&lt;/UL&gt;</description>
      <pubDate>Thu, 04 Mar 2021 09:29:51 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/PBRS-Oct-2020-encounter-errors-in-scheduled-refresh/m-p/1702854#M18398</guid>
      <dc:creator>calimero48</dc:creator>
      <dc:date>2021-03-04T09:29:51Z</dc:date>
    </item>
  </channel>
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