I’m seeing this message in the logs for my tap. What does it mean and how/should I resolve it?

2022-05-20T17:43:44.630129Z [info     ] time=2022-05-20 10:43:44 name=root level=INFO message=Operator '__else__=None' was not found. Unmapped streams will be included in output. cmd_type=extractor job_id=testbq name=tap-quickbase-json run_id=8e5d3feb-683c-4a6c-a146-20520fe083db stdio=stderr