Fatal error: Uncaught Error: Class "Ramsey\Uuid\Uuid" not found in /opt/lampp/htdocs/forum/flarum/vendor/ramsey/uuid/src/Guid/Guid.php:51 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/ramsey/uuid/src/Guid/Guid.php on line 51