Failed to start Tracker metadata extractor

What does this error mean and how can I fix it:

systemd[1698]: Failed to start Tracker metadata extractor.
░░ Subject: A start job for unit UNIT has failed
░░ Defined-By: systemd
░░ Support: https://forum.manjaro.org/c/support
░░ 
░░ A start job for unit UNIT has finished with a failure.
░░ 
░░ The job identifier is 468 and the job result is failed.