Reporting Server pwerBi

[Anonymous]

i'm trying to save and app that i edited on powerbi desktop to  reporting server. i keep on getting this error (check below)

When i check RSP0werBI logs i get this error (check below) :

2021-05-19 00:00:10.9713|ERROR|107|Error Processing Data Model Refresh: SessionId: 29e1fd73-33da-441b-bfe9-62f4acd1821c, Status: Error Failed to refresh the model, Exception Microsoft.AnalysisServices.OperationException: Failed to save modifications to the server. Error returned: 'A user name wasn't specified. The exception was raised by the IDbConnection interface.
A connection could not be made to the data source with the Name of 'ca2e0137-f92d-46e1-b457-0fbe860368a3'.
The database operation was cancelled because of an earlier failure.

May i please get some help.

[Hariharan_R]

Hi, Check your data source connection string and make sure that is correct and working. Run the report once and try publish. if everything is fine in report builder but still same error then try upload the file in Power BI Service workspace.

Thanks

Hari