Opening a (Team foundation Server) Build Type (see attached file "TFSBuild.zip"). It also pops up all the time when editing the file:

JetBrains.Util.InternalErrorException: Value cannot be null.
Parameter name: collection ---> System.ArgumentNullException: Value cannot be null.
Parameter name: collection
   at System.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
   at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection)
   at JetBrains.ReSharper.BuildScriptSupport.Psi.ValueEvaluator.GetAllPossibleValues(IDeclaredElement declaredElement) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi\ValueEvaluator.cs:line 157
   at JetBrains.ReSharper.BuildScriptSupport.Psi.ValueEvaluator.GetTokenValues(String originalAttributeValue, IXmlTokenNode tokenNode, IReference[] references, IFile file) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi\ValueEvaluator.cs:line 74
   at JetBrains.ReSharper.BuildScriptSupport.Psi.ValueEvaluator.GetAllPossibleValues(IBuildScriptAttribute attribute) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi\ValueEvaluator.cs:line 26
   at JetBrains.ReSharper.BuildScriptSupport.Psi2.Impl.MSBuild.MSBuildUsingTaskTag.get_AssemblyFile() in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi2\Impl\MSBuild\MSBuildUsingTaskTag.cs:line 60
   at JetBrains.ReSharper.BuildScriptSupport.Psi.Impl.MSBuild.Tasks.MSBuildTaskManager.LoadAssembliesFromUsingTask(MSBuildUsingTaskTag tag) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi\Impl\MSBuild\Tasks\MSBuildTaskManager.cs:line 111
   at JetBrains.ReSharper.BuildScriptSupport.Psi2.Impl.MSBuild.MSBuildFile.FindReferrableElements(ITreeNode node) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi2\Impl\MSBuild\MSBuildFile.cs:line 73
   at JetBrains.ReSharper.BuildScriptSupport.Psi2.Impl.MSBuild.MSBuildFile.FindReferrableElements(ITreeNode node) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi2\Impl\MSBuild\MSBuildFile.cs:line 80
   at JetBrains.ReSharper.BuildScriptSupport.Psi2.Impl.MSBuild.MSBuildFile.AddDeclarationsFromImportTag(List`1 candidates, MSBuildImportTag tag) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi2\Impl\MSBuild\MSBuildFile.cs:line 193
   at JetBrains.ReSharper.BuildScriptSupport.Psi2.Impl.MSBuild.MSBuildFile.FindReferrableElements(ITreeNode node) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi2\Impl\MSBuild\MSBuildFile.cs:line 77
   at JetBrains.ReSharper.BuildScriptSupport.Psi2.Impl.MSBuild.MSBuildFile.FindReferrableElements(ITreeNode node) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi2\Impl\MSBuild\MSBuildFile.cs:line 80
   at JetBrains.ReSharper.BuildScriptSupport.Psi2.Impl.BuildScriptFileBase.AddGlobalDeclarations(IWritableSymbolTable table, Int32 level) in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\Psi2\Impl\BuildScriptFileBase.cs:line 105
   at JetBrains.ReSharper.Psi.Resolve.Resolver.ProcessBeforeInterior(IElement element) in c:\A\work\Server\be08dc054b0f1225\src\Psi\src\Resolve\Resolver.cs:line 104
   at JetBrains.ReSharper.Psi.Resolve.Resolver.ProcessResolveElement(IElement topElement) in c:\A\work\Server\be08dc054b0f1225\src\Psi\src\Resolve\Resolver.cs:line 52
   at JetBrains.ReSharper.Psi.Resolve.AllNonQualifiedReferencesResolver.ProcessResolveElement(IElement topElement) in c:\A\work\Server\be08dc054b0f1225\src\Psi\src\Resolve\AllNonQualifiedReferencesResolver.cs:line 15
   at JetBrains.ReSharper.Psi.Resolve.Resolver.ProcessFile(IFile file) in c:\A\work\Server\be08dc054b0f1225\src\Psi\src\Resolve\Resolver.cs:line 44
   at JetBrains.ReSharper.BuildScriptSupport.DaemonStage.ScriptDaemonStageProcessBase.Execute() in c:\A\work\Server\be08dc054b0f1225\src\BuildScriptSupport\src\DaemonStage\ScriptDaemonStageProcessBase.cs:line 33
   at JetBrains.ReSharper.Daemon.Impl.DaemonProcessBase.DoHighlighting(Boolean globalAnalysisStages, Boolean updateSolutionAnalysisResults) in c:\A\work\Server\be08dc054b0f1225\src\Daemon\src\Impl\DaemonProcessBase.cs:line 294
   --- End of inner exception stack trace ---

	at JetBrains.Util.Logger.LogExceptionEx(Exception, String, Boolean) in c:\A\work\Server\be08dc054b0f1225\Platform\src\JetBrains.Util\src\Logger\Logger.cs:line 263 column 4
	at JetBrains.Util.Logger.LogException(Exception) in c:\A\work\Server\be08dc054b0f1225\Platform\src\JetBrains.Util\src\Logger\Logger.cs:line 273 column 3
	at JetBrains.ReSharper.Daemon.Impl.DaemonProcessBase.DoHighlighting(Boolean, Boolean) in c:\A\work\Server\be08dc054b0f1225\src\Daemon\src\Impl\DaemonProcessBase.cs:line 302 column 19
	at JetBrains.ReSharper.Daemon.Impl.VisibleDocumentDaemonProcess.DoHighlighting(Boolean, Boolean) in c:\A\work\Server\be08dc054b0f1225\src\Daemon\src\Impl\VisibleDocumentDaemonProcess.cs:line 234 column 9
	at JetBrains.ReSharper.Daemon.Impl.<>c__DisplayClass1.<EnqueueHighlightingJob>b__0() in c:\A\work\Server\be08dc054b0f1225\src\Daemon\src\Impl\VisibleDocumentDaemonProcess.cs:line 220 column 65
	at JetBrains.ReSharper.Daemon.Impl.DaemonThread.ThreadProc() in c:\A\work\Server\be08dc054b0f1225\src\Daemon\src\Impl\DaemonThread.cs:line 132 column 13
	at System.Threading.ThreadHelper.ThreadStart_Context(Object)
	at System.Threading.ExecutionContext.Run(ExecutionContext, ContextCallback, Object)
	at System.Threading.ThreadHelper.ThreadStart()