Just started seeing build error on a build that was working until we upgraded the build agent to TFS 2013.3
Exception Message: Stack empty. (type InvalidOperationException) Exception Stack Trace: at Microsoft.VisualStudio.TestImpact.Analysis.LanguageSignatureParser.NotifyEndType() at Microsoft.VisualStudio.TestImpact.Analysis.SigParser.ParseType() at Microsoft.VisualStudio.TestImpact.Analysis.SigParser.ParseRetType() at Microsoft.VisualStudio.TestImpact.Analysis.SigParser.ParseMethod(Byte num1) at Microsoft.VisualStudio.TestImpact.Analysis.SigParser.Parse(Byte\* blob, UInt32 len) at Microsoft.VisualStudio.TestImpact.Analysis.LanguageSignatureParser.ParseMethodName(MethodProps methodProps, String& typeName, String& fullName) at Microsoft.VisualStudio.TestImpact.Analysis.AssemblyMethodComparer.AddChangeToList(DateTime now, List\`1 changes, CodeChangeReason reason, MethodInfo methodInfo, MetadataReader metadataReader, Guid assemblyIdentifier, SymbolReader symbolsReader, UInt32 sourceToken, LanguageSignatureParser& languageParser) at Microsoft....