Can't open recovered files

Hello all, 

When I try to open a revored file I get this error. Any idea how to solve it?

Feedback Type:
Frown (Error)

Timestamp:
2021-06-09T16:49:57.1153067Z

Local Time:
2021-06-09T17:49:57.1153067+01:00

Session ID:
c7d52ac5-649d-4aec-a718-35b1ff7d7a58

Release:
May 2021

Product Version:
2.93.981.0 (21.05) (x64)

Stack Trace:
Microsoft.AnalysisServices.OperationException
at Microsoft.AnalysisServices.Tabular.Model.SaveChangesImpl(SaveOptions options)
at Microsoft.PowerBI.Modeler.ModelManager.<SaveChanges>b__234_0()
at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.ModelingTelemetryService.<>c__DisplayClass6_0`1.<RunInActivity>b__0()
at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.ModelingTelemetryService.RunInActivity(ModelingActivityKind activity, Action action)
at Microsoft.PowerBI.Client.Windows.Modeling.Hosting.ModelingTelemetryService.RunInActivity[T](ModelingActivityKind activity, Func`1 action)
at Microsoft.PowerBI.Modeler.ModelManager.SaveChanges(String description)
at Microsoft.PowerBI.Modeler.ModelManager.InternalTransaction.Commit(Boolean recalc)
at Microsoft.PowerBI.Modeling.Engine.Authoring.AsyncModelAuthoringService.ModelAuthoringTransaction.Commit(RecalcBehavior recalcBehavior)
at Microsoft.PowerBI.Client.Windows.ReportPreparer.<>c.<PerformRecalc>b__21_0(IExtendedModelChangeScope scope)
at Microsoft.PowerBI.Modeling.Engine.Authoring.AsyncModelAuthoringService.RunOutOfBandExtendedModelChange(Action`1 extendedModelChange, IDataModel dataModel, IModelManager modelManager, Boolean roleChangesImpactQueries, IRefreshPolicyUpdater refreshPolicyUpdater, Boolean skipDataModelTracing)
at Microsoft.PowerBI.Modeling.Engine.ModelingEngine.RunOutOfBandExtendedModelChange(Action`1 extendedModelChange, IDataModel dataModel, IModelManager modelManager, Boolean roleChangesImpactQueries, IRefreshPolicyUpdater refreshPolicyUpdater)
at Microsoft.PowerBI.Client.Windows.AnalysisServices.AnalysisServicesDatabaseLocal.RunOutOfBandExtendedModelChange(Action`1 extendedModelChange, IRefreshPolicyUpdater refreshPolicyUpdater, Boolean requireASDBToBeUnattached)
at Microsoft.PowerBI.Client.Windows.ReportPreparer.PerformRecalc(Report report, IPowerBIWindowService windowService)
at Microsoft.PowerBI.Client.Windows.ReportPreparer.Prepare(Report report, PackageValidationResult mashupResult, IPowerBIWindowService windowService, String fileName, ILuciaFeatureSwitchProxy luciaFeatureSwitchProxy, Nullable`1 entryPoint, Version pbixFileVersion, Boolean suppressRecalc)
at Microsoft.PowerBI.Client.Windows.Services.PowerBIPackagingService.Open(Stream stream, String streamName, IPowerBIWindowService windowService, Nullable`1 entryPoint, PowerBIPackageOpenOptions options, ReportPreparerResult& prepareResult)
at Microsoft.PowerBI.Client.Windows.Services.AutoRecoveryManager.<OpenRecoveredFileInternal>d__66.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.PowerBI.Client.Windows.Services.AutoRecoveryManager.<OpenRecoveredFileAsync>d__57.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.PowerBI.Client.Program.<>c__DisplayClass4_7.<<Main>b__7>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.PowerBI.Client.Windows.MainWindow.<<ActivateMainWindow>b__113_1>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.<HandleAwaitableAsyncExceptions>d__1.MoveNext()

PowerBINonFatalError:
{"AppName":"PBIDesktop","AppVersion":"2.93.981.0","ModuleName":"Microsoft.PowerBI.Tabular.dll","Component":"Microsoft.AnalysisServices.Tabular.Model","Error":"Microsoft.AnalysisServices.OperationException","MethodDef":"SaveChangesImpl - PFE_XL_CALENDAR_NULL_DATES","ErrorOffset":"415"}

OS Version:
Microsoft Windows NT 10.0.18363.0 (x64 en-US)

CLR Version:
4.7 or later [Release Number = 528040]

Peak Virtual Memory:
38 GB

Private Memory:
528 MB

Peak Working Set:
698 MB

IE Version:
11.1411.18362.0

User ID:
0dd3004a-d791-48a0-a35b-94d1d78142d5

Workbook Package Info:
1* - pt-PT, Query Groups: 0, fastCombine: Disabled, runBackgroundAnalysis: True.

Telemetry Enabled:
True

Model Default Mode:
Empty

Model Version:
PowerBI_V1

Enabled Preview Features:
PBI_shapeMapVisualEnabled
PBI_JsonTableInference
PBI_NewWebTableInference
PBI_eimInformationProtectionForDesktop
PBI_azureMapVisual
PBI_dataPointLassoSelect
PBI_dynamicParameters
PBI_cartesianMultiplesAuthoring
PBI_enhancedTooltips

Disabled Preview Features:
PBI_SpanishLinguisticsEnabled
PBI_ImportTextByExample
PBI_ExcelTableInference
PBI_qnaLiveConnect
PBI_compositeModelsOverAS

Disabled DirectQuery Options:
TreatHanaAsRelationalSource

Cloud:
GlobalCloud

DPI Scale:
100%

Supported Services:
Power BI