Fatal error: Uncaught Error: Class "Tiptap\Core\Extension" not found in C:\xampp\htdocs\bilipoa\vendor\ueberdosis\tiptap-php\src\Core\Mark.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bilipoa\vendor\ueberdosis\tiptap-php\src\Core\Mark.php on line 5