We were unable to automatically build your code. Please replace the call to the autobuild action with your custom build steps. Encountered a fatal error while running "C:\hostedtoolcache\windows\CodeQL\2.20.7\x64\codeql\csharp\tools\autobuild.cmd". Exit code was 1 and last log line was: Error: Could not auto-detect a suitable build method. See the logs for more details.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.