ModuleNotFoundError: No module named 'openlp.core.common.enum'
sudo apt purge openlpsudo apt install openlp
find / -iname 'openlp'
sudo apt install python3-distutils
Then send back the result (but put it in a spoiler so your message isn't too long). That should hopefully give us some hints as to what is wrong.
It installs and runs fine on my ubuntu 20.04 system, but that might be because I have old packages from previous versions.