Fatal error: Uncaught Error: Class "HTMLPurifier_AttrDef_Enum" not found in C:\xampp\htdocs\siscolasmdp\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrDef\HTML\FrameTarget.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\siscolasmdp\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrDef\HTML\FrameTarget.php on line 6