Fatal error: Uncaught Error: Class "Illuminate\Hashing\ArgonHasher" not found in /opt/lampp/htdocs/forum/flarum/vendor/illuminate/hashing/Argon2IdHasher.php:7 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/illuminate/hashing/Argon2IdHasher.php on line 7