We were unable to automatically build your code. Please replace the call to the autobuild action with your custom build steps. Failure invoking /opt/hostedtoolcache/CodeQL/2.13.5/x64/codeql/csharp/tools/autobuild.sh with arguments . Exit code 1 and error was: /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: The "WriteRestoreGraphTask" task failed unexpectedly. [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: NuGet.Frameworks.NuGet.Frameworks1219444.FrameworkException: Invalid framework identifier ''. [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at NuGet.Frameworks.NuGet.Frameworks1219444.NuGetFramework.GetShortFolderName (NuGet.Frameworks.NuGet.Frameworks1219444.IFrameworkNameProvider mappings) [0x00075] in <239863218fce4f96b031c213d3d23b41>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at NuGet.Frameworks.NuGet.Frameworks1219444.NuGetFramework.GetShortFolderName () [0x00006] in <239863218fce4f96b031c213d3d23b41>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at NuGet.ProjectModel.PackageSpecWriter.WriteMetadataTargetFrameworks (NuGet.RuntimeModel.IObjectWriter writer, NuGet.ProjectModel.ProjectRestoreMetadata msbuildMetadata) [0x0007d] in <239863218fce4f96b031c213d3d23b41>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at NuGet.ProjectModel.PackageSpecWriter.SetMSBuildMetadata (NuGet.RuntimeModel.IObjectWriter writer, NuGet.ProjectModel.PackageSpec packageSpec) [0x00122] in <239863218fce4f96b031c213d3d23b41>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at NuGet.ProjectModel.PackageSpecWriter.Write (NuGet.ProjectModel.PackageSpec packageSpec, NuGet.RuntimeModel.IObjectWriter writer, System.Boolean hashing) [0x000ce] in <239863218fce4f96b031c213d3d23b41>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at NuGet.ProjectModel.DependencyGraphSpec.Write (NuGet.RuntimeModel.IObjectWriter writer, System.Boolean hashing, System.Action`3[T1,T2,T3] writeAction) [0x000a4] in <239863218fce4f96b031c213d3d23b41>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at NuGet.ProjectModel.DependencyGraphSpec.Save (System.IO.Stream stream) [0x0001c] in <239863218fce4f96b031c213d3d23b41>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at NuGet.ProjectModel.DependencyGraphSpec.Save (System.String path) [0x00008] in <239863218fce4f96b031c213d3d23b41>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at NuGet.Build.Tasks.WriteRestoreGraphTask.Execute () [0x00106] in <239863218fce4f96b031c213d3d23b41>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute () [0x00029] in <3fa5db086dc941c1a57d0f5b812004f0>:0 [/tmp/NuGetScratchrunner/w3f7qfer.en8.nugetinputs.targets] /tmp/NuGetScratchrunner/6uwvth81.en8.nugetrestore.targets(190,5): error MSB4018: at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask (Microsoft.Build.BackEnd.ITaskExecutionHost taskExecutionHost, Microsoft.Build.BackEnd.Logging.TaskLoggingContext taskLoggingContext, Microsoft.Build.BackEnd.TaskHos