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/2.20.1/x64/codeql/csharp/tools/autobuild.sh with arguments . Exit code 1 and error was: Process terminated. Couldn't find a valid ICU package installed on the system. Set the configuration flag System.Globalization.Invariant to true if you want to run with no globalization support. at System.Environment.FailFast(System.String) at System.Globalization.GlobalizationMode.GetGlobalizationInvariantMode() at System.Globalization.GlobalizationMode..cctor() at System.Globalization.CultureData.CreateCultureWithInvariantData() at System.Globalization.CultureData.get_Invariant() at System.Globalization.CultureInfo..cctor() at System.String.ToLowerInvariant() at Microsoft.DotNet.PlatformAbstractions.RuntimeEnvironment.GetArch() at Microsoft.DotNet.PlatformAbstractions.RuntimeEnvironment..cctor() at Microsoft.DotNet.PlatformAbstractions.RuntimeEnvironment.GetRuntimeIdentifier() at Microsoft.DotNet.Cli.MulticoreJitProfilePathCalculator.CalculateProfileRootPath() at Microsoft.DotNet.Cli.MulticoreJitActivator.StartCliProfileOptimization() at Microsoft.DotNet.Cli.MulticoreJitActivator.TryActivateMulticoreJit() at Microsoft.DotNet.Cli.Program.Main(System.String[]) Error: Could not auto-detect a suitable build method