Fatal error: Uncaught Error: Class 'HTMLPurifier_AttrTransform' not found in C:\xampp\htdocs\finance\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrTransform\Textarea.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\finance\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrTransform\Textarea.php on line 6