Anytime I try to use the Calendar by Maq, I am getting the below error. "Something went wrong. An error occurred while rendering the report". Details are below. I have tried in different files. Restarted multiple times and no matter what-this error occurs. Feedback Type: Frown (Error) Timestamp: 2026-03-04T22:27:12.2281392Z Local Time: 2026-03-04T14:27:12.2281392-08:00 Session ID: 17afb023-526c-4393-a247-4ab817d77adc Release: February 2026 Product Version: 2.151.1182.0 (26.02)+b81be254f3450e536a43f73a9777be8307916ef0 (x64) Error Message: An error occurred while rendering the report. Stack Trace: Javascript:TypeError at SandboxDelegate.persistProperties (https://ms-pbi.pbi.microsoft.com/minerva/scripts/desktop.min.js:1:3036206) at SandboxVisualProxy.onMessageReceived (https://ms-pbi.pbi.microsoft.com/minerva/scripts/desktop.min.js:1:12686173) at https://ms-pbi.pbi.microsoft.com/minerva/scripts/desktop.min.js:1:12681723 at MessageChannelProxy.invokeHandler (https://ms-pbi.pbi.microsoft.com/minerva/scripts/desktop.min.js:1:2854412) at MessageChannelProxy.dispatchMessage (https://ms-pbi.pbi.microsoft.com/minerva/scripts/desktop.min.js:1:2854294) at MessageChannelProxy.onMessageReceived (https://ms-pbi.pbi.microsoft.com/minerva/scripts/desktop.min.js:1:2853959) at e.source._peerWindow._peerOrigin.e.origin._peerOrigin.e.data.type.e.data.nonce._handshakeNonce._peerPort.onmessage (https://ms-pbi.pbi.microsoft.com/minerva/scripts/desktop.min.js:1:2852283) Stack Trace Message: An error occurred while rendering the report. Invocation Stack Trace: at Microsoft.Mashup.Host.Document.ExceptionExtensions.GetCurrentInvocationStackTrace() at Microsoft.Mashup.Client.UI.Shared.StackTraceInfo..ctor(String exceptionStackTrace, String invocationStackTrace, String exceptionMessage) at Microsoft.PowerBI.Client.Windows.Telemetry.PowerBIUserFeedbackServices.GetStackTraceInfo(Exception e) at Microsoft.PowerBI.Client.Windows.Telemetry.PowerBIUserFeedbackServices.ReportException(IWindowHandle activeWindow, IUIHost uiHost, FeedbackPackageInfo feedbackPackageInfo, Exception e, Boolean useGDICapture) at Microsoft.Mashup.Client.UI.Shared.UnexpectedExceptionHandler.<>c__DisplayClass14_0.<HandleException>b__0() at Microsoft.Mashup.Client.UI.Shared.UnexpectedExceptionHandler.HandleException(Exception e) at Microsoft.PowerBI.Client.PowerBIUnexpectedExceptionHandler.HandleException(Exception e) at Microsoft.PowerBI.Client.Windows.Utilities.PowerBIFormUnexpectedExceptionHandler.HandleException(Exception e) at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop.<>c__DisplayClass36_0.<InvokeCsMethod>b__0() at Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop.<>c__DisplayClass39_0`1.<RunAsync>b__0(Object s) at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) at System.Delegate.DynamicInvokeImpl(Object[] args) at System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme) at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme) at System.Windows.Forms.Control.InvokeMarshaledCallbacks() at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData) at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) at System.Windows.Forms.Form.ShowDialog(IWin32Window owner) at Microsoft.Mashup.Client.UI.Shared.WindowManager.ShowModal[T](T dialog, Func`1 showModalFunction) at Microsoft.PowerBI.Client.AppModule.<>c__DisplayClass4_0.<Run>b__0() at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.<>c__DisplayClass3_0.<HandleExceptionsWithNestedTasks>b__0() at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action) at Microsoft.PowerBI.Client.AppModule.Run() at Microsoft.PowerBI.Client.Program.RunApplicationFlow(String[] args, IPowerBIRootTrace trace) at Microsoft.PowerBI.Client.Program.Main(String[] args) JS Error Message: Cannot read properties of null (reading 'merge') PowerBINonFatalError: {"AppName":"PBIDesktop","AppVersion":"2.151.1182.0","ModuleName":"https://ms-pbi.pbi.microsoft.com/minerva/scripts/desktop.min.js","Component":"SandboxDelegate","Error":"TypeError","MethodDef":"persistProperties","ErrorOffset":"1:3036206","ErrorCode":""} OS Version: Microsoft Windows NT 10.0.26100.0 (x64 en-US) CLR Version: 4.8 or later [Release Number = 533320] Peak Virtual Memory: 87.8 GB Private Memory: 1.02 GB Peak Working Set: 1.19 GB IE Version: 11.1882.26100.0 User ID: e33ec61f-c605-4048-adce-05d378c7866a Workbook Package Info: 1* - en-US, Query Groups: 0, fastCombine: Disabled, runBackgroundAnalysis: True. Telemetry Enabled: True Snapshot Trace Logs: C:\Users\ABremme1\Microsoft\Power BI Desktop Store App\FrownSnapShot99b8c339-05ac-4c3b-8b25-e125b17f7db8.zip Model Default Mode: Import Model Version: PowerBI_V3 Performance Trace Logs: C:\Users\ABremme1\Microsoft\Power BI Desktop Store App\PerformanceTraces.zip Enabled Preview Features: PBI_DatabricksAdbcVersionEnabled PBI_googleBigQueryAdbcVersionEnabled PBI_scorecardVisual PBI_setLabelOnExportPdf PBI_oneDriveSave PBI_oneDriveShare PBI_odspSaveBackgroundUpload PBI_modernOfficeFilePicker PBI_useModernPublishDialogs PBI_gitIntegration PBI_tmdlInDataset PBI_enhancedReportFormat PBI_directLakeOnOneLake PBI_advancedSlicerTypeList PBI_aiNarrativesVisual PBI_visualCalculationsAuthoring PBI_copilotUnifiedTooling PBI_sqlDbNativeArtifactsOnDesktop PBI_dataFunctionActions PBI_enableExportQueries Disabled Preview Features: PBI_snowflakeLegacyOdbcVersionEnabled PBI_shapeMapVisualEnabled PBI_SpanishLinguisticsEnabled PBI_qnaLiveConnect PBI_b2bExternalDatasetSharing PBI_onObject PBI_publishDialogsSupportSubfolders PBI_enhancedReportFormatPBIX PBI_qnaImproveLsdlCopilot PBI_customCalendars PBI_UserInstalledNetezzaODBCDriver MashupFlight_EnableOracleBundledOdacProviderV2 PBI_supportUDFs Disabled DirectQuery Options: TreatHanaAsRelationalSource Cloud: GlobalCloud Recent Actions: AddEmptyVisualContainer, VisualContainerUpdateDimensions, VisualContainerUpdateDimensions, AddFieldInRole, AddFieldInRole, AddFieldInRole, AddFieldInRole, VisualContainerPersistProperties, VisualContainerPersistProperties, VisualContainerPersistProperties, VisualContainerPersistProperties PowerBIUserFeedbackServices_IsReported: True DPI Scale: 150% Supported Services: Power BI Formulas: section Section1; shared Calendar = let Source = SharePoint.Files("https://tmobileusa.sharepoint.com/sites/TFBNewHireOn-boardingTeam", [ApiVersion = 15]), #"Filtered Rows" = Table.SelectRows(Source, each ([Folder Path] = "https://tmobileusa.sharepoint.com/sites/TFBNewHireOn-boardingTeam/OnBoarding Resources/Power BI/")), #"Calendar View xlsx_https://tmobileusa sharepoint com/sites/TFBNewHireOn-boardingTeam/OnBoarding Resources/Power BI/" = #"Filtered Rows"{[Name="Calendar View.xlsx",#"Folder Path"="https://tmobileusa.sharepoint.com/sites/TFBNewHireOn-boardingTeam/OnBoarding Resources/Power BI/"]}[Content], #"Imported Excel Workbook" = Excel.Workbook(#"Calendar View xlsx_https://tmobileusa sharepoint com/sites/TFBNewHireOn-boardingTeam/OnBoarding Resources/Power BI/"), Table1_Table = #"Imported Excel Workbook"{[Item="Table1",Kind="Table"]}[Data], #"Changed Type" = Table.TransformColumnTypes(Table1_Table,{{"SLJ Designation", Int64.Type}}) in #"Changed Type"; WebView2 Runtime Version: 145.0.3800.82 WebView2 SDK Version: 1.0.2365.46 Active Section Contract: {"id":0,"name":"aa570037155107c943d5","displayName":"Page 1","filters":"[]","ordinal":0,"visualContainers":[{"x":0,"y":0,"z":0,"width":1280.3812019774853,"height":720.471737447138,"config":{"name":"bdb3c05cd62607490b14","layouts":[{"id":0,"position":{"x":0,"y":0,"z":0,"width":1280.3812019774853,"height":720.471737447138,"tabOrder":0}}],"singleVisual":{"visualType":"calendarVisual74934D05B71F4C31B0F79D925EE89638","projections":{"StartDate":[{"queryRef":"Calendar.Start Date"}],"EndDate":[{"queryRef":"Calendar.End Date"}],"EventGroup":[{"queryRef":"Calendar.Program"}],"events":[{"queryRef":"Calendar.Phase"}]},"prototypeQuery":{"Version":2,"From":[{"Name":"c","Entity":"Calendar","Type":0}],"Select":[{"Column":{"Expression":{"SourceRef":{"Source":"c"}},"Property":"Start Date"},"Name":"Calendar.Start Date","NativeReferenceName":"Start Date"},{"Column":{"Expression":{"SourceRef":{"Source":"c"}},"Property":"End Date"},"Name":"Calendar.End Date","NativeReferenceName":"End Date"},{"Column":{"Expression":{"SourceRef":{"Source":"c"}},"Property":"Program"},"Name":"Calendar.Program","NativeReferenceName":"Program"},{"Column":{"Expression":{"SourceRef":{"Source":"c"}},"Property":"Phase"},"Name":"Calendar.Phase","NativeReferenceName":"Phase"}],"OrderBy":[{"Direction":1,"Expression":{"Column":{"Expression":{"SourceRef":{"Source":"c"}},"Property":"Start Date"}}}]},"drillFilterOtherVisuals":true,"hasDefaultSort":true,"objects":{"persistCalendarDate":[{"properties":{"persistedDate":{"expr":{"Literal":{"Value":"'2026-03-04'"}}}}}],"caption":[{"properties":{"captionValue":{"expr":{"Literal":{"Value":"'{\"Base Camp 101 | Enterprise\":\"#118DFF\",\"Base Camp 101 | Government\":\"#12239E\",\"Base Camp 101 | SMB: Empower\":\"#E66C37\"}'"}}}}}],"formatGroup":[{"properties":{"formatGroupValue":{"expr":{"Literal":{"Value":"'{\"Base Camp 101 | Enterprise\":{\"fontFamily\":\"Segoe UI\",\"fontSize\":12,\"bold\":false,\"italic\":false,\"underline\":false,\"casing\":\"none\",\"highlight\":\"#FFFF00\",\"opacity\":0,\"backgroundEvent\":false,\"alignment\":\"left\",\"borderEvent\":false,\"borderSize\":1},\"Base Camp 101 | Government\":{\"fontFamily\":\"Segoe UI\",\"fontSize\":12,\"bold\":false,\"italic\":false,\"underline\":false,\"casing\":\"none\",\"highlight\":\"#FFFF00\",\"opacity\":0,\"backgroundEvent\":false,\"alignment\":\"left\",\"borderEvent\":false,\"borderSize\":1},\"Base Camp 101 | SMB: Empower\":{\"fontFamily\":\"Segoe UI\",\"fontSize\":12,\"bold\":false,\"italic\":false,\"underline\":false,\"casing\":\"none\",\"highlight\":\"#FFFF00\",\"opacity\":0,\"backgroundEvent\":false,\"alignment\":\"left\",\"borderEvent\":false,\"borderSize\":1}}'"}}}}}],"cellCaption":[{"properties":{"cellCaptionValue":{"expr":{"Literal":{"Value":"'{}'"}}}}}]}}},"filters":"[]"}],"config":{},"displayOption":1,"width":1280,"height":720}
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