Suddenly stopped working. Now have Errors

[skuid87]

Traceback (most recent call last):
File "/usr/lib/python3.10/runpy.py", line 196, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/usr/lib/python3.10/runpy.py", line 86, in _run_code
exec(code, run_globals)
File "/opt/python-plexlibrary/plexlibrary/main.py", line 2, in
from plexlibrary import main
File "/opt/python-plexlibrary/plexlibrary/plexlibrary.py", line 21, in
import recipes
File "/opt/python-plexlibrary/plexlibrary/recipes.py", line 7, in
from utils import YAMLBase
File "/opt/python-plexlibrary/plexlibrary/utils.py", line 4, in
import ruamel.yaml
ModuleNotFoundError: No module named 'ruamel'