> I review the requirements for moodle and I see that 4.2 are no compatible yet with PHP 8.1 and mysql 8.1 (can this be the problem?)
Where? https://moodledev.io/general/releases/4.2 says PHP 8.1.x supported. MySQL 8.0 to Latest. It could be the "max_input_vars must be >= 5000" thing mentioned there.
Where? https://moodledev.io/general/releases/4.2 says PHP 8.1.x supported. MySQL 8.0 to Latest. It could be the "max_input_vars must be >= 5000" thing mentioned there.