It used to be installed and, it stopped working at some point so I uninstalled it and tried to reinstall it, and I cant reinstall it. here’s the error message
The user on the AUR page had a completely different error than you did. Their error was with Subliminal not being able to find Babelfish and yours is with Guessit not being able to find Rebulk:
File "/usr/lib/python3.9/site-packages/guessit/monkeypatch.py", line 9, in <module>
from rebulk.match import Match
ModuleNotFoundError: No module named 'rebulk'
You should already have Rebulk installed as it’s required by Guessit and Subliminal requires Guessit: