Fatal error: Uncaught Error: Class 'HTMLPurifier_AttrDef' not found in C:\xampp\htdocs\aroflo-dataforce\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrDef\CSS\Color.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\aroflo-dataforce\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrDef\CSS\Color.php on line 6