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/2.18.4-v2.18.4/x64/codeql/cpp/tools/autobuild.sh with arguments . Exit code 1 and error was: cpp/autobuilder: Build will be attempted from '.' even though no build system was found there. cpp/autobuilder: No supported build system detected. cpp/autobuilder: autobuild summary.