PowerBI refresh not working

Question

Hello All,&nbsp;I am getting this error can anyone please help me here.&nbsp;Feedback Type:Frown (Error)Error Message:Object reference not set to an instance of an object.Stack Trace:System.NullReferenceException&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.AnalysisServices.QueryEvaluator.LoadToModelQueryEvaluator.&lt;&gt;c.&lt;EvaluateRelationships&gt;b__18_0(ExtendedLoadToModelQueryEvaluationOutput o)&nbsp; &nbsp;at System.Linq.Enumerable.All[TSource](IEnumerable`1 source, Func`2 predicate)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.AnalysisServices.QueryEvaluator.LoadToModelQueryEvaluator.EvaluateRelationships(Report report, Dictionary`2 queryNameToRelationshipInfoContainer, Dictionary`2 queryNameToEvaluationOutput)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.AnalysisServices.QueryEvaluator.LoadToModelQueryEvaluator.GetEvaluationResults()&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.AnalysisServices.LoadToModelQueryEvaluationService.&lt;EvaluateForLoadAsync&gt;d__4.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.ModelingTelemetryService.&lt;&gt;c__DisplayClass8_0`1.&lt;&lt;RunInAsyncActivity&gt;b__0&gt;d.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.ModelingTelemetryService.&lt;RunInAsyncActivity&gt;d__7.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.ModelingTelemetryService.&lt;RunInAsyncActivity&gt;d__8`1.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Modeling.Engine.Loader.LoadToReportFlow.&lt;EvaluateQueries&gt;d__15.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Modeling.Engine.Loader.LoadToReportFlow.&lt;ExecuteInternal&gt;d__13.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Modeling.Engine.Loader.LoadToReportFlow.&lt;Execute&gt;d__12.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Modeling.Engine.ModelingEngine.&lt;LoadModelAsyncInternal&gt;d__10.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.ModelingTelemetryService.&lt;&gt;c__DisplayClass8_0`1.&lt;&lt;RunInAsyncActivity&gt;b__0&gt;d.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.ModelingTelemetryService.&lt;RunInAsyncActivity&gt;d__7.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.ModelingTelemetryService.&lt;RunInAsyncActivity&gt;d__8`1.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.DesktopModelingHost.&lt;&gt;c__DisplayClass16_0.&lt;&lt;LoadToModel&gt;b__1&gt;d.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Modeling.Engine.Authoring.AsyncModelAuthoringService.&lt;&gt;c__DisplayClass11_0.&lt;&lt;RunExtendedModelChangeAsync&gt;b__0&gt;d.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Modeling.Engine.Authoring.AsyncModelAuthoringService.&lt;ContinueWithAsyncOperation&gt;d__14.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.DesktopModelingHost.&lt;LoadToModel&gt;d__16.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.&lt;&gt;c__DisplayClass34_0.&lt;&lt;StartLoadToReportFlow&gt;b__0&gt;d.MoveNext()--- End of stack trace from previous location where exception was thrown ---&nbsp; &nbsp;at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()&nbsp; &nbsp;at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.&lt;HandleAwaitableAsyncExceptions&gt;d__1.MoveNext()Stack Trace Message:Object reference not set to an instance of an object.Invocation Stack Trace:&nbsp; &nbsp;at Microsoft.Mashup.Host.Document.ExceptionExtensions.GetCurrentInvocationStackTrace()&nbsp; &nbsp;at Microsoft.Mashup.Client.UI.Shared.StackTraceInfo..ctor(String exceptionStackTrace, String invocationStackTrace, String exceptionMessage)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Telemetry.PowerBIUserFeedbackServices.GetStackTraceInfo(Exception e)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Telemetry.PowerBIUserFeedbackServices.ReportException(IWindowHandle activeWindow, IUIHost uiHost, FeedbackPackageInfo feedbackPackageInfo, Exception e, Boolean useGDICapture)&nbsp; &nbsp;at Microsoft.Mashup.Client.UI.Shared.UnexpectedExceptionHandler.&lt;&gt;c__DisplayClass14_0.&lt;HandleException&gt;b__0()&nbsp; &nbsp;at Microsoft.Mashup.Client.UI.Shared.UnexpectedExceptionHandler.HandleException(Exception e)&nbsp; &nbsp;at Microsoft.PowerBI.Client.PowerBIUnexpectedExceptionHandler.HandleException(Exception e)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Utilities.UIBlockingAwareExceptionHandler.HandleException(Exception e)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.&lt;HandleAwaitableAsyncExceptions&gt;d__1.MoveNext()&nbsp; &nbsp;at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()&nbsp; &nbsp;at System.Threading.Tasks.AwaitTaskContinuation.RunCallback(ContextCallback callback, Object state, Task&amp; currentTask)&nbsp; &nbsp;at System.Threading.Tasks.Task.FinishContinuations()&nbsp; &nbsp;at System.Threading.Tasks.Task.Finish(Boolean bUserDelegateExecuted)&nbsp; &nbsp;at System.Threading.Tasks.Task`1.TrySetException(Object exceptionObject)&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetException(Exception exception)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.&lt;&gt;c__DisplayClass34_0.&lt;&lt;StartLoadToReportFlow&gt;b__0&gt;d.MoveNext()&nbsp; &nbsp;at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()&nbsp; &nbsp;at System.Threading.Tasks.AwaitTaskContinuation.RunCallback(ContextCallback callback, Object state, Task&amp; currentTask)&nbsp; &nbsp;at System.Threading.Tasks.Task.FinishContinuations()&nbsp; &nbsp;at System.Threading.Tasks.Task.Finish(Boolean bUserDelegateExecuted)&nbsp; &nbsp;at System.Threading.Tasks.Task`1.TrySetException(Object exceptionObject)&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetException(Exception exception)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.DesktopModelingHost.&lt;LoadToModel&gt;d__16.MoveNext()&nbsp; &nbsp;at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()&nbsp; &nbsp;at System.Threading.Tasks.AwaitTaskContinuation.RunCallback(ContextCallback callback, Object state, Task&amp; currentTask)&nbsp; &nbsp;at System.Threading.Tasks.Task.FinishContinuations()&nbsp; &nbsp;at System.Threading.Tasks.Task.Finish(Boolean bUserDelegateExecuted)&nbsp; &nbsp;at System.Threading.Tasks.Task`1.TrySetException(Object exceptionObject)&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetException(Exception exception)&nbsp; &nbsp;at Microsoft.PowerBI.Modeling.Engine.Authoring.AsyncModelAuthoringService.&lt;ContinueWithAsyncOperation&gt;d__14.MoveNext()&nbsp; &nbsp;at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()&nbsp; &nbsp;at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)&nbsp; &nbsp;at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)&nbsp; &nbsp;at System.Delegate.DynamicInvokeImpl(Object[] args)&nbsp; &nbsp;at System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme)&nbsp; &nbsp;at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj)&nbsp; &nbsp;at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)&nbsp; &nbsp;at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme)&nbsp; &nbsp;at System.Windows.Forms.Control.InvokeMarshaledCallbacks()&nbsp; &nbsp;at System.Windows.Forms.Control.WndProc(Message&amp; m)&nbsp; &nbsp;at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)&nbsp; &nbsp;at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG&amp; msg)&nbsp; &nbsp;at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG&amp; msg)&nbsp; &nbsp;at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)&nbsp; &nbsp;at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)&nbsp; &nbsp;at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)&nbsp; &nbsp;at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)&nbsp; &nbsp;at Microsoft.Mashup.Client.UI.Windows.DialogWindowBase.ShowModal(IWindowHandle windowHandle)&nbsp; &nbsp;at Microsoft.Mashup.Client.UI.Shared.WindowManager.ShowModal[T](T dialog, Func`1 showModalFunction)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.TryShowDialog(Report report, IExceptionHandler exceptionHandler, IPowerBIWindowService windowService, IPowerBIQueryUIService queryServices, IDesktopModelingHost modelingHost, LocalizedString title, LoadToModelContext loadToModelContext)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.&lt;&gt;c__DisplayClass16_0.&lt;TryShowDialogForQueries&gt;b__0()&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Report.&lt;&gt;c__DisplayClass64_0`1.&lt;SynchronizeLooselyWithQueries&gt;b__0()&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Report.&lt;SynchronizeLooselyWithQueriesAsync&gt;d__65`1.MoveNext()&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.Start[TStateMachine](TStateMachine&amp; stateMachine)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Report.SynchronizeLooselyWithQueriesAsync[T](Func`1 getTask)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Report.SynchronizeLooselyWithQueries[T](Func`1 action)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Commands.ApplicationCommands.DataImportCommands.RefreshAllQueries(IPowerBIWindowService windowService, IExceptionHandler exceptionHandler, RefreshAllQueriesParameters parameters)&nbsp; &nbsp;at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)&nbsp; &nbsp;at Microsoft.Practices.Prism.Commands.DelegateCommandBase.&lt;&gt;c__DisplayClass4_0.&lt;.ctor&gt;b__0(Object arg)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Commands.CompositeCommand`1.Execute(ICommand command, Object parameter)&nbsp; &nbsp;at Microsoft.Practices.Prism.Commands.CompositeCommand.Execute(Object parameter)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.Commands.CompositeCommand`1.Execute(T parameter)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.CommandStoreHostService.&lt;ExecuteCore&gt;d__14.MoveNext()&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine&amp; stateMachine)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.CommandStoreHostService.ExecuteCore(String commandId, String parameterJson, Int64 promiseHandle)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.&lt;HandleAwaitableAsyncExceptions&gt;d__1.MoveNext()&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine&amp; stateMachine)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.HandleAwaitableAsyncExceptions(IExceptionHandler exceptionHandler, Func`1 asyncFunc)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.&lt;HandleAsyncExceptions&gt;d__0.MoveNext()&nbsp; &nbsp;at System.Runtime.CompilerServices.AsyncVoidMethodBuilder.Start[TStateMachine](TStateMachine&amp; stateMachine)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.HandleAsyncExceptions(IExceptionHandler exceptionHandler, Func`1 asyncFunc)&nbsp; &nbsp;at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)&nbsp; &nbsp;at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)&nbsp; &nbsp;at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)&nbsp; &nbsp;at System.Delegate.DynamicInvokeImpl(Object[] args)&nbsp; &nbsp;at System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme)&nbsp; &nbsp;at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj)&nbsp; &nbsp;at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)&nbsp; &nbsp;at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)&nbsp; &nbsp;at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme)&nbsp; &nbsp;at System.Windows.Forms.Control.InvokeMarshaledCallbacks()&nbsp; &nbsp;at System.Windows.Forms.Control.WndProc(Message&amp; m)&nbsp; &nbsp;at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)&nbsp; &nbsp;at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG&amp; msg)&nbsp; &nbsp;at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG&amp; msg)&nbsp; &nbsp;at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)&nbsp; &nbsp;at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)&nbsp; &nbsp;at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)&nbsp; &nbsp;at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)&nbsp; &nbsp;at Microsoft.Mashup.Client.UI.Shared.WindowManager.ShowModal[T](T dialog, Func`1 showModalFunction)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Program.&lt;&gt;c__DisplayClass4_1.&lt;Main&gt;b__2()&nbsp; &nbsp;at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.&lt;&gt;c__DisplayClass3_0.&lt;HandleExceptionsWithNestedTasks&gt;b__0()&nbsp; &nbsp;at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)&nbsp; &nbsp;at Microsoft.PowerBI.Client.Program.Main(String[] args)

amitchandak · Answer

Anonymous , In datasource setting clear permissions and try again.
Open power query and try to refresh and check does show error for any column
&nbsp;
also check
https://github.com/microsoft/powerapps-tools/issues/967
https://community.powerbi.com/t5/Power-Query/object-reference-not-set-to-an-instance-of-an-object-while/td-p/2160731

anonymous · Answer

Hi&nbsp;Anonymous&nbsp;,
What data sources is your report connected to? Single or multiple data sources? What is the connection mode? Can the report be refreshed properly in Power BI Desktop? The following one is the thread which has the same error message, please review it. Hope the solution can help you solve the problem...
how to solve Object reference not set to an instance of an object in Power BI and the source file is an Excel Macro file
The error "Object reference not set to an instance of an object" is not for anything specific. Issues can be related to different problematic area. You can try this below to search your luck-

Download the latest version of Power BI desktop
Try to match the version (32/64 bit) between your OS and Power BI desktop software
reconnect the data source and then check everything works for you or not after publishing the report

Best Regards

anonymous · Answer

Hi&nbsp;&nbsp;Anonymous&nbsp;,
Whether your problem has been resolved? If yes, could you please mark the helpful post as Answered? It will help the others in the community find the solution easily if they face the same problem as yours. Thank you.
Best Regards

willjoe2442 · Answer

To do so, follow these steps:From the left pane of Power Query Editor, select the query into which you want the other query to merge.Select Merge Queries &gt; Merge Queries from the Home tab on the ribbon.Select State from the RetirementStats table, then select the StateCodes query.&nbsp;Select OK.&nbsp;Regards,Will

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