Upgraded from 18.04.2 LTS to current. Accepted default answers for individuals packages during upgrade.

Had issue with MC and the meshcentral-data/meshcentral.db getting set with root:root perms and this caused a few errors with starting MC from meshcentral.service

Changed perms to back to <user>:<user> and all is well. Don't know what would change those perms though? Either way, all is well now.