Your software
My Mautic version is: 5.0.4
My PHP version is: 8.1.28
My Database type and version is: pdo_mysql 5.7.44-48-log
Your problem
My problem is: I am unable to Edit existing campaigns or create new campaigns from Scratch.
Creating even the most basic campaign, with one segment, followed by an email send will fail to save and the application errors with a 500 Server error: