I found a bug in PowerBI's last version (october 2018). I couldnt upload more than 1 excel sheet, when i tried showed me an a error in whinch i cant import all sheets. I was looking for a solution or similar to this problem and couldn't . Tying to find a way to upload a simple excel file (really simple) I uploaded the same file in the laptop of a coworker -who had the Power BI but the version of August 2018- and it uploaded withouth problems, as usually I work in PowerBI. I found the solution downgrading the version of october to august 18, but i believe that this bug should be solved . Next, is the image of error , translating from spanish : 'The base version should not have a negative value when an impact is requested for a transaction' Error Feedback Type: Frown (Error) Error Message: No se han podido guardar las modificaciones en el servidor. Error devuelto: 'La versión de base no debe tener un valor negativo cuando se solicita un impacto para una transacción. '. Stack Trace: en Microsoft.AnalysisServices.Tabular.Model.SaveChanges(SaveOptions saveOptions) en Microsoft.PowerBI.Modeler.ModelManager.SaveChanges(String description) en Microsoft.PowerBI.Modeler.ModelManager.InternalTransaction.Commit() en Microsoft.PowerBI.Client.Windows.Modeling.AsyncModelAuthoringService.ModelAuthoringTransaction.<Commit>b__27() en Microsoft.PowerBI.Client.Windows.Modeling.ModelAuthoringExceptionHandler.AddModelChangeResultToExceptions(Action action, ModelChangeResult modelChangeResult) en Microsoft.PowerBI.Client.Windows.Modeling.AsyncModelAuthoringService.ModelAuthoringTransaction.Commit() en Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.CreateRelationships(IAnalysisServicesLoadContext loadContext, IExtendedModelChangeScope modelChangeScope, List`1 newTableColumnPairs, HashSet`1 previouslyLoadedInputs, Action relationshipAutodetectStartCallback) en Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.ProcessLoadInputs(IExtendedModelChangeScope modelChangeScope, Action relationshipAutodetectStartCallback, ModelChange modelChangeToExecuteBeforeSchemaSync) en Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.<>c__DisplayClassb.<PerformLoadInternal>b__7(IExtendedModelChangeScope modelChangeScope) en Microsoft.PowerBI.Client.Windows.Modeling.AsyncModelAuthoringService.<>c__DisplayClassf.<RunExtendedModelChangeAsync>b__e() en System.Threading.Tasks.ContinuationResultTaskFromResultTask`2.InnerInvoke() en System.Threading.Tasks.Task.Execute() --- Fin del seguimiento de la pila de la ubicación anterior donde se produjo la excepción --- en System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() en Microsoft.PowerBI.Client.Windows.Utilities.TaskExtensions.WaitAndUnpackException(Task task) en Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.PerformLoadInternal(Action relationshipAutodetectStartCallback, ModelChange modelChangeToExecuteBeforeSchemaSync, Boolean skipImpactAnalysisWarning) en Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.<>c__DisplayClass2.<PerformLoadAsync>b__0() en System.Threading.Tasks.Task`1.InnerInvoke() en System.Threading.Tasks.Task.Execute() --- Fin del seguimiento de la pila de la ubicación anterior donde se produjo la excepción --- en System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() en System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) en Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.<StartAnalysisServiceLoad>d__25.MoveNext() --- Fin del seguimiento de la pila de la ubicación anterior donde se produjo la excepción --- en System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() en System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) en Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.<HandleAwaitableAsyncExceptions>d__3.MoveNext() Stack Trace Message: No se han podido guardar las modificaciones en el servidor. Error devuelto: 'La versión de base no debe tener un valor negativo cuando se solicita un impacto para una transacción. '. Invocation Stack Trace: en Microsoft.Mashup.Host.Document.ExceptionExtensions.GetCurrentInvocationStackTrace() en Microsoft.Mashup.Client.UI.Shared.StackTraceInfo..ctor(String exceptionStackTrace, String invocationStackTrace, String exceptionMessage) en Microsoft.PowerBI.Client.Windows.Telemetry.PowerBIUserFeedbackServices.GetStackTraceInfo(Exception e) en Microsoft.PowerBI.Client.Windows.Telemetry.PowerBIUserFeedbackServices.ReportException(IWindowHandle activeWindow, IUIHost uiHost, FeedbackPackageInfo feedbackPackageInfo, Exception e, Boolean useGDICapture) en Microsoft.Mashup.Client.UI.Shared.UnexpectedExceptionHandler.<>c__DisplayClass1.<HandleException>b__0() en Microsoft.Mashup.Client.UI.Shared.UnexpectedExceptionHandler.HandleException(Exception e) en Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.<HandleAwaitableAsyncExceptions>d__3.MoveNext() en System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run() en System.Threading.Tasks.AwaitTaskContinuation.RunCallback(ContextCallback callback, Object state, Task& currentTask) en System.Threading.Tasks.Task.FinishContinuations() en System.Threading.Tasks.Task.Finish(Boolean bUserDelegateExecuted) en System.Threading.Tasks.Task`1.TrySetException(Object exceptionObject) en System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetException(Exception exception) en Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.<StartAnalysisServiceLoad>d__25.MoveNext() en System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run() en System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) en System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) en System.Delegate.DynamicInvokeImpl(Object[] args) en System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme) en System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj) en System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) en System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme) en System.Windows.Forms.Control.InvokeMarshaledCallbacks() en System.Windows.Forms.Control.WndProc(Message& m) en System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) en System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) en System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) en System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData) en System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) en System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) en System.Windows.Forms.Form.ShowDialog(IWin32Window owner) en Microsoft.Mashup.Client.UI.Shared.WebDialogs.WebDialog.<>n__FabricatedMethod8(IWindowHandle ) en Microsoft.Mashup.Client.UI.Shared.WindowManager.ShowModal[T](T dialog, Func`1 showModalFunction) en Microsoft.Mashup.Client.UI.Shared.Ux.FloatingDialog.FloatingDialog.ShowDialogWithTimeout(IWindowHandle owner, Nullable`1 showTimeout) en Microsoft.Mashup.Client.UI.Shared.Ux.WindowService.ShowDialogWithTimeout(FloatingDialog dialog, Nullable`1 showTimeout) en Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.StartEvaluationAndShowDialog(IPowerBIWindowService windowService, IEnumerable`1 queriesToLoad, Nullable`1 showTimeout, Boolean requireFullDataRefresh) en Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.<>c__DisplayClass2.<TryShowDialogForQueries>b__0(IWindowHandle ownerWindow) en Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.TryApplyQueryChanges(Report report, IPowerBIWindowService windowService, IQueryServices queryServices, IUIHost uiHost, String loadReason) en Microsoft.PowerBI.Client.Windows.Services.WarningDetectionService.<DetectReportLoadWarning>b__8() en Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action) en System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) en System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) en System.Delegate.DynamicInvokeImpl(Object[] args) en System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme) en System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj) en System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) en System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme) en System.Windows.Forms.Control.InvokeMarshaledCallbacks() en System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous) en System.Windows.Forms.Control.Invoke(Delegate method, Object[] args) en System.Windows.Forms.WindowsFormsSynchronizationContext.Send(SendOrPostCallback d, Object state) en Microsoft.PowerBI.Client.Windows.Services.WarningNotificationService.ExecuteOnUiThread(Action action) en Microsoft.PowerBI.Client.Windows.Services.WarningAction.<>c__DisplayClass5.<ToFunction>b__4() en Microsoft.PowerBI.Client.Windows.Services.WarningAction.ExecuteAndCompleteTask(Func`1 func) en Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action) en System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) en System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) en System.Delegate.DynamicInvokeImpl(Object[] args) en System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme) en System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj) en System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) en System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme) en System.Windows.Forms.Control.InvokeMarshaledCallbacks() en System.Windows.Forms.Control.WndProc(Message& m) en System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) en System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) en System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) en System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData) en System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) en System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) en System.Windows.Forms.Form.ShowDialog(IWin32Window owner) en Microsoft.Mashup.Client.UI.Shared.WebDialogs.WebDialog.<>n__FabricatedMethod8(IWindowHandle ) en Microsoft.Mashup.Client.UI.Shared.WindowManager.ShowModal[T](T dialog, Func`1 showModalFunction) en Microsoft.PowerBI.Client.Program.<>c__DisplayClass10.<Main>b__0() en Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.<>c__DisplayClass7.<HandleExceptionsWithNestedTasks>b__6() en Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action) en Microsoft.PowerBI.Client.Program.Main(String[] args) Model Default Mode: Import Snapshot Trace Logs: C:\Users\fausto.moya\AppData\Local\Microsoft\Power BI Desktop\FrownSnapShot1201664750.zip Performance Trace Logs: C:\Users\fausto.moya\AppData\Local\Microsoft\Power BI Desktop\PerformanceTraces.zip Disabled Preview Features: PBI_shapeMapVisualEnabled MIntellisense PBI_SpanishLinguisticsEnabled PBI_PdfImport PBI_ColumnProfiling PBI_variationUIChange PBI_PythonSupportEnabled PBI_showIncrementalRefreshPolicy PBI_compositeModels PBI_showManageAggregations PBI_FuzzyMatching Disabled DirectQuery Options: PBI_DirectQuery_Unrestricted TreatHanaAsRelationalSource Cloud: GlobalCloud PowerBINonFatalError_MethodDefDescription: CommitTransaction ModelChangeResult: {"changes":[],"hasQueryImpact":false} ModelChangeStartingStackTrace: en System.Environment.GetStackTrace(Exception e, Boolean needFileInfo) en System.Environment.get_StackTrace() en Microsoft.PowerBI.Client.Windows.Modeling.AsyncModelAuthoringService.RunExtendedModelChangeAsync(Action`1 extendedModelChange, CancellationToken cancellationToken, Boolean blockUI) en Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.RunExtendedModelChangeAsync(Action`1 action) en Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.PerformLoadInternal(Action relationshipAutodetectStartCallback, ModelChange modelChangeToExecuteBeforeSchemaSync, Boolean skipImpactAnalysisWarning) en Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.<>c__DisplayClass2.<PerformLoadAsync>b__0() en System.Threading.Tasks.Task`1.InnerInvoke() en System.Threading.Tasks.Task.Execute() en System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) en System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot) en System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution) en System.Threading.ThreadPoolWorkQueue.Dispatch() Formulas: section Section1; shared PROVEEDOR = let Origen = Excel.Workbook(File.Contents("C:\Users\fausto.moya\Desktop\MAESTRO_TABLEROCONTROL.xlsx"), null, true), PROVEEDOR_Sheet = Origen{[Item="PROVEEDOR",Kind="Sheet"]}[Data], #"Tipo cambiado" = Table.TransformColumnTypes(PROVEEDOR_Sheet,{{"Column1", type text}, {"Column2", type text}}) in #"Tipo cambiado"; shared CLIENTESADV = let Origen = Excel.Workbook(File.Contents("C:\Users\fausto.moya\Desktop\MAESTRO_TABLEROCONTROL.xlsx"), null, true), CLIENTESADV_Sheet = Origen{[Item="CLIENTESADV",Kind="Sheet"]}[Data], #"Tipo cambiado" = Table.TransformColumnTypes(CLIENTESADV_Sheet,{{"Column1", type text}, {"Column2", type text}, {"Column3", type text}, {"Column4", type text}, {"Column5", type text}, {"Column6", type text}, {"Column7", type text}, {"Column8", type text}, {"Column9", type text}, {"Column10", type text}, {"Column11", type text}}) in #"Tipo cambiado"; shared TIEMPO = let Origen = Excel.Workbook(File.Contents("C:\Users\fausto.moya\Desktop\MAESTRO_TABLEROCONTROL.xlsx"), null, true), TIEMPO_Sheet = Origen{[Item="TIEMPO",Kind="Sheet"]}[Data], #"Encabezados promovidos" = Table.PromoteHeaders(TIEMPO_Sheet, [PromoteAllScalars=true]), #"Tipo cambiado" = Table.TransformColumnTypes(#"Encabezados promovidos",{{"MesCorto", type text}, {"Mes", type text}, {"MesA", type text}, {"NumMes", Int64.Type}, {"Trimestre", type text}, {"Semestre", type text}}) in #"Tipo cambiado"; shared TIPOBILLINGS = let Origen = Excel.Workbook(File.Contents("C:\Users\fausto.moya\Desktop\MAESTRO_TABLEROCONTROL.xlsx"), null, true), TIPOBILLINGS_Sheet = Origen{[Item="TIPOBILLINGS",Kind="Sheet"]}[Data], #"Tipo cambiado" = Table.TransformColumnTypes(TIPOBILLINGS_Sheet,{{"Column1", type text}, {"Column2", type text}}) in #"Tipo cambiado"; shared TIPOMEDIO = let Origen = Excel.Workbook(File.Contents("C:\Users\fausto.moya\Desktop\MAESTRO_TABLEROCONTROL.xlsx"), null, true), TIPOMEDIO_Sheet = Origen{[Item="TIPOMEDIO",Kind="Sheet"]}[Data], #"Tipo cambiado" = Table.TransformColumnTypes(TIPOMEDIO_Sheet,{{"Column1", type text}, {"Column2", type text}, {"Column3", type text}}) in #"Tipo cambiado"; shared TIPOREBATE = let Origen = Excel.Workbook(File.Contents("C:\Users\fausto.moya\Desktop\MAESTRO_TABLEROCONTROL.xlsx"), null, true), TIPOREBATE_Sheet = Origen{[Item="TIPOREBATE",Kind="Sheet"]}[Data], #"Tipo cambiado" = Table.TransformColumnTypes(TIPOREBATE_Sheet,{{"Column1", type text}, {"Column2", type text}}) in #"Tipo cambiado";
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