Fatal error: Uncaught Error: Class "Flarum\Database\Migration" not found in /home/sardosne/flarum.sardos.net/vendor/flarum/nicknames/migrations/2020_12_02_000001_set_default_permissions.php:13 Stack trace: #0 {main} thrown in /home/sardosne/flarum.sardos.net/vendor/flarum/nicknames/migrations/2020_12_02_000001_set_default_permissions.php on line 13