Fatal error: Uncaught Error: Class 'HTMLPurifier_AttrDef' not found in C:\xampp\htdocs\finance\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrDef\Enum.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\finance\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrDef\Enum.php on line 10