i have just upgraded my installation and got this error:

what i have to do?
of course i have no other mailwizz instance, i just upgraded it following the docs (https://www.mailwizz.com/kb/upgrade-steps/)

what i have to do?
of course i have no other mailwizz instance, i just upgraded it following the docs (https://www.mailwizz.com/kb/upgrade-steps/)