Remote Execution Job Fails with `RuntimeError - Failed to change to effective user and Exit code: 126` in Red Hat Satellite

Issue

• When executing a Remote Execution (REx) job from Red Hat Satellite, the following error is observed:

  1: Error initializing command: RuntimeError - Failed to change to effective user, exit code: 126  
  2: Exit status: EXCEPTION  
  3: StandardError: Job execution failed