When running Celery Beat, you might encounter an error message that looks something like this:

[ERROR/MainProcess] Removing corrupted schedule file 'celerybeat-schedule': error(11, 'Resource temporarily unavailable')


This error typically occurs when the celerybeat-schedule file, which stores the schedule of tasks, is deleted or becomes corrupted. Without this file, Celery Beat cannot function properly.

Quick Solution

Locate and Remove the Corrupted File: If the file exists but is corrupted, navigate to the directory where it's stored and delete it. You can do this with a simple terminal command:

rm celerybeat-schedule

Restart Celery Beat: Once the corrupted file is deleted, restart Celery Beat:

celery -A your_project.celery beat -l info


Celery Beat will automatically create a new celerybeat-schedule file and resume normal operations.

Key Tip

Always ensure that the Celery Beat process has the necessary file permissions to create and modify the celerybeat-schedule file.