Error Message: Too many bytes in what should have been a 7 bit encoded

[Anonymous]

Hi,

I am getting the following error for 5 of my queries in Poweri Bi Desktop for the past two weeks. 

I have uninstalled & reinstalled but it has not fixed it

Full error message?

Feedback Type:
Frown (Error)

Timestamp:
2019-10-29T11:14:22.2295336Z

Local Time:
2019-10-29T11:14:22.2295336+00:00

Session ID:
861010cb-7423-44d6-9ff1-2f93441e96a8

Release:
October 2019

Product Version:
2.74.5619.621 (19.10) (x64)

Stack Trace:
Microsoft.Mashup.Evaluator.Interface.ErrorException: Too many bytes in what should have been a 7 bit encoded Int32. ---> System.FormatException: Too many bytes in what should have been a 7 bit encoded Int32. ---> System.FormatException: Too many bytes in what should have been a 7 bit encoded Int32.
at System.IO.BinaryReader.Read7BitEncodedInt()
at System.IO.BinaryReader.ReadString()
at Microsoft.Mashup.EngineHost.Services.DiskPersistentCache.PersistentDictionary.<>c__DisplayClass11_0.<ReadBucket>b__0()
at Microsoft.Mashup.EngineHost.Services.FileSystemAccessHelper.<>c__DisplayClass3_0.<IgnoringAccessExceptions>b__0()
at Microsoft.Mashup.EngineHost.Services.FileSystemAccessHelper.TryIgnoringAccessExceptions[T](Func`1 func, IEvaluationConstants evaluationConstants, T& result, Exception& accessException)
at Microsoft.Mashup.EngineHost.Services.FileSystemAccessHelper.IgnoringAccessExceptions(Action action, IEvaluationConstants evaluationConstants)
at Microsoft.Mashup.EngineHost.Services.DiskPersistentCache.PersistentDictionary.TryGetKeyValues(Dictionary`2& dictionary)
at Microsoft.Mashup.EngineHost.Services.DiskPersistentCache._DeleteFiles()
at Microsoft.Mashup.EngineHost.Services.DiskPersistentCache.DeleteFiles()
at Microsoft.Mashup.EngineHost.Services.DiskPersistentCache.Purge()
at Microsoft.Mashup.EngineHost.Services.DiskPersistentCache.CommitStream(String key, Int64 version, CommitFileStream commitStream)
at Microsoft.Mashup.EngineHost.Services.EncryptedPersistentCache.CommitStorage(String key, CacheVersion maxVersion, IStorage storage)
at Microsoft.Mashup.EngineHost.Services.WriteBehindPersistentCache.AsyncCommitStorage(String key, TemporaryStorage storage)
at Microsoft.Mashup.EngineHost.Services.WriteBehindPersistentCache.AsyncCommitStorage(Object obj)
at Microsoft.Mashup.Evaluator.EvaluatorThreadPool.EvaluatorThread(Object state)
at Microsoft.Mashup.Evaluator.SafeThread2.<>c__DisplayClass9_0.<CreateAction>b__0(Object o)
--- End of inner exception stack trace ---
at Microsoft.Mashup.Evaluator.EvaluationHost.<>c__DisplayClass11_0.<TryReportException>b__1()
at Microsoft.Mashup.Common.SafeExceptions.IgnoreSafeExceptions(IEngineHost host, IHostTrace trace, Action action)
at Microsoft.Mashup.Evaluator.EvaluationHost.TryReportException(IHostTrace trace, IEngineHost engineHost, IMessageChannel channel, Exception exception)
at Microsoft.Mashup.Evaluator.EvaluationHost.TryHandleException(Exception exception)
at Microsoft.Mashup.Evaluator.SafeThread2.HandleException(Exception e)
at Microsoft.Mashup.Evaluator.SafeThread2.<>c__DisplayClass9_0.<CreateAction>b__0(Object o)
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.Threading.ThreadHelper.ThreadStart(Object obj)
--- End of inner exception stack trace ---
at Microsoft.Mashup.Evaluator.EvaluationHost.OnException(IEngineHost engineHost, IMessageChannel channel, ExceptionMessage message)
at Microsoft.Mashup.Evaluator.MessageHandlers.TryDispatch(IMessageChannel channel, Message message)
at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
at Microsoft.Mashup.Evaluator.ChannelMessenger.ChannelMessageHandlers.TryDispatch(IMessageChannel channel, Message message)
at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
at Microsoft.Mashup.Evaluator.ChannelMessenger.OnMessageWithUnknownChannel(IMessageChannel baseChannel, MessageWithUnknownChannel messageWithUnknownChannel)
at Microsoft.Mashup.Evaluator.MessageHandlers.TryDispatch(IMessageChannel channel, Message message)
at Microsoft.Mashup.Evaluator.ChannelMessenger.ChannelMessageHandlers.TryDispatch(IMessageChannel channel, Message message)
at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
at Microsoft.Mashup.Evaluator.Interface.IMessageChannelExtensions.WaitFor[T](IMessageChannel channel)
at Microsoft.Mashup.Evaluator.RemotePreviewValueSource.PreviewValueSource.WaitFor(Func`1 condition, Boolean disposing)
at Microsoft.Mashup.Evaluator.RemotePreviewValueSource.PreviewValueSource.get_TableSource()
at Microsoft.Mashup.Evaluator.Interface.TracingPreviewValueSource.get_TableSource()
at Microsoft.Mashup.Host.Document.Analysis.PackageDocumentAnalysisInfo.PackagePartitionAnalysisInfo.SetPreviewValue(EvaluationResult2`1 result, Func`1 getStaleSince, Func`1 getSampled)

OS Version:
Microsoft Windows NT 10.0.17763.0 (x64 en-US)

CLR Version:
4.7 or later [Release Number = 461814]

Peak Virtual Memory:
42.9 GB

Private Memory:
2.83 GB

Peak Working Set:
4.12 GB

IE Version:
11.805.17763.0

User ID:
3b2518f5-6218-4433-b696-a994db5449de

Workbook Package Info:
1* - en-IE, Query Groups: 4, fastCombine: Disabled, runBackgroundAnalysis: True.

Telemetry Enabled:
True

Model Default Mode:
Import

Snapshot Trace Logs:
C:\Users\kohara1\AppData\Local\Microsoft\Power BI Desktop\FrownSnapShot1469527413.zip

Disabled Preview Features:
PBI_shapeMapVisualEnabled
PBI_SpanishLinguisticsEnabled
PBI_NewWebTableInference
PBI_showIncrementalRefreshPolicy
PBI_qnaLiveConnect
PBI_realTimeRefresh
PBI_userFavoriteResourcePackagesEnabled
PBI_tenantOutOfBoxVisualsEnabled
PBI_personalVisualizationPaneEnabled
PBI_QueryDiagnostics

Disabled DirectQuery Options:
TreatHanaAsRelationalSource

Cloud:
GlobalCloud

DPI Scale:
100%

Supported Services:
Power BI

[v-chuncz-msft]

@Anonymous 

I cannot reproduce the issue. You may also try the latest version (2.74.5619.862) and create a support ticket for assistance if necessary.