JavierLopezT edited a comment on issue #15649: URL: https://github.com/apache/airflow/issues/15649#issuecomment-848886152
I have upgraded the Dockerfile to 2.1.0, made `docker system prune -af` and `airflow db reset` as well as `airflow db init` several times. I don't have anymore the error in the first post, but I do have one very similar:  And the DAG works perfectly fine:  -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
