ERROR OCCURED IN JOB: update_and_clean_index (APP: hyperkitty) Traceback (most recent call last): File "/usr/lib/python3/dist-packages/django_extensions/management/commands/runjobs.py", line 40, in runjobs job().execute() File "/usr/lib/python3/dist-packages/hyperkitty/jobs/update_and_clean_index.py", line 37, in execute run_with_lock(update_index, remove=True) File "/usr/lib/python3/dist-packages/hyperkitty/lib/utils.py", line 181, in run_with_lock log.exception("Failed to update the fulltext index: %s", e) File "/usr/lib/python3/dist-packages/flufl/lock/_lockfile.py", line 447, in __exit__ self.unlock() File "/usr/lib/python3/dist-packages/flufl/lock/_lockfile.py", line 398, in unlock raise NotLockedError('Already unlocked') flufl.lock._lockfile.NotLockedError: Already unlocked