I have a Telerik Report which was creating few years back, using Telerik Reporting version R3 2018 SP2 (12.2.18.1129). This report has been deployed in production, and working as intended. But today, I received an email requesting some modification to be done on this report.

Unfortunately, I have upgraded my Telerik Reporting to the latest, version R1 2020 (14.0.20.115). But I wasn’t worried, I have done this before. I could just use Telerik Reporting Upgrade wizard, then everything would be compile as it used to be.

Before I upgrade I took screenshot which libraries are being referenced by project:

Once upgrade completed, I tried to open the report file then this error appeared:

I clicked OK then this error dialog pop out:

I closed my Visual Studio, then reopen again. But the error persistently appear whenever I tried to load the report designer. After few restarts of Visual Studio didn’t appease the error, maybe it’s something else. So I looked into ActivityLog.xml to see the details as the error dialog suggested:

<entry>
    <record>987</record>
    <time>2020/02/24 08:55:15.611</time>
    <type>Error</type>
    <source>VisualStudio</source>
    <description>
        LegacySitePackage failed for package [NuGetPackage]
        Source: 'Microsoft.VisualStudio.Composition' 
        Description: An exception was thrown while initializing part "NuGet.PackageManagement.VisualStudio.VSSolutionManager".

        Microsoft.VisualStudio.Composition.CompositionFailedException: An exception was thrown while initializing part "NuGet.PackageManagement.VisualStudio.VSSolutionManager". ---> 
        System.Runtime.InteropServices.COMException: GetFullVsVersionString must be called on the UI thread.
 	
        at Microsoft.VisualStudio.Shell.ThreadHelper.ThrowIfNotOnUIThread(String callerMemberName)
   
        at NuGet.PackageManagement.VisualStudio.VSVersionHelper.GetFullVsVersionString()
   
        at NuGet.PackageManagement.VisualStudio.VSSolutionManager..ctor()
   	
        --- End of inner exception stack trace ---
   
        at Microsoft.VisualStudio.Composition.RuntimeExportProviderFactory.RuntimeExportProvider.RuntimePartLifecycleTracker.CreateValue()
   
        at Microsoft.VisualStudio.Composition.ExportProvider.PartLifecycleTracker.Create()
   
        at Microsoft.VisualStudio.Composition.ExportProvider.PartLifecycleTracker.MoveNext(PartLifecycleState nextState)
   
        at Microsoft.VisualStudio.Composition.ExportProvider.PartLifecycleTracker.MoveToState(PartLifecycleState requiredState)
   
        at Microsoft.VisualStudio.Composition.ExportProvider.PartLifecycleTracker.GetValueReadyToExpose()
   
        at Microsoft.VisualStudio.Composition.RuntimeExportProviderFactory.RuntimeExportProvider.<>c__DisplayClass15_0.<GetExportedValueHelper>b__0()

        --- End of stack trace from previous location where exception was thrown ---
   
        at Microsoft.VisualStudio.Composition.RuntimeExportProviderFactory.RuntimeExportProvider.<>c__DisplayClass15_0.<GetExportedValueHelper>b__0()
   
        at Microsoft.VisualStudio.Composition.RuntimeExportProviderFactory.RuntimeExportProvider.GetValueForImportElement(RuntimePartLifecycleTracker importingPartTracker, RuntimeImport import, RuntimeExport export, Func`3 lazyFactory)
   
        at Microsoft.VisualStudio.Composition.RuntimeExportProviderFactory.RuntimeExportProvider.GetValueForImportSite(RuntimePartLifecycleTracker importingPartTracker, RuntimeImport import)
   
        at Microsoft.VisualStudio.Composition.RuntimeExportProviderFactory.RuntimeExportProvider.RuntimePartLifecycleTracker.<CreateValue>b__10_0(RuntimeImport import)
   
        at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
   
        at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
   
        at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
   
        at Microsoft.VisualStudio.Composition.RuntimeExportProviderFactory.RuntimeExportProvider.RuntimePartLifecycleTracker.CreateValue()
   
        at Microsoft.VisualStudio.Composition.ExportProvider.PartLifecycleTracker.Create()
   
        at Microsoft.VisualStudio.Composition.ExportProvider.PartLifecycleTracker.MoveNext(PartLifecycleState nextState)
   
        at Microsoft.VisualStudio.Composition.ExportProvider.PartLifecycleTracker.MoveToState(PartLifecycleState requiredState)
   
        at Microsoft.VisualStudio.Composition.ExportProvider.PartLifecycleTracker.GetValueReadyToExpose()
   
        at Microsoft.VisualStudio.Composition.ExportProvider.<>c__DisplayClass53_0.<CreateExport>b__0()
   
        at System.Lazy`1.CreateValue()
   
        at System.Lazy`1.LazyInitValue()
   
        at System.Lazy`1.get_Value()
   	
        at Microsoft.VisualStudio.Composition.ExportProvider.<>c__DisplayClass70_0`2.<GetExports>b__1()
   
        at System.Lazy`1.CreateValue()
   
        at System.Lazy`1.LazyInitValue()
   
        at System.Lazy`1.get_Value()
   
        at Microsoft.VisualStudio.Composition.ExportProvider.GetExportedValue[T]()
   
        at Microsoft.VisualStudio.ComponentModelHost.ComponentModel.GetService[T]()
   
        at Telerik.Reporting.Vs.Common.NugetManager.IsPackageInstalled(String packageId)
   
        at Telerik.Reporting.UpgradeWizard.Engine.ProjectReferencesItem.UpdateNuGetPackage(NugetManager packageManager, List`1 updatedPackages, AssemblyName oldAssembly)
   
        at Telerik.Reporting.UpgradeWizard.Engine.ProjectReferencesItem.UpgradeInternal()
   
        at Telerik.Reporting.UpgradeWizard.Engine.UpgradeItem.Upgrade()

        --- End of stack trace from previous location where exception was thrown ---

    </description>
    <guid>{5FCC8577-4FEB-4D04-AD72-D6C629B083CC}</guid>
    <hr>80131500</hr>
    <errorinfo></errorinfo>
</entry>

It was a very long error message. What’s shown above is just a portion of it. Since I’m not sure what to do next, I decided to rename ActivityLog.xml to ActivityLog.xml.old. I was hoping maybe I could get a new shorter error message on the next try. To my surprise, I didn’t get the error. Now I am really don’t know what really caused the error, and what the solution is. But, that’s a mystery for another day.

I hope it helps! Cheers!

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