Fatal error: Uncaught Error: Class "HTMLPurifier_AttrDef" not found in /home/pevo0181/public_html/mode/school_mode/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/ID.php:12 Stack trace: #0 {main} thrown in /home/pevo0181/public_html/mode/school_mode/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/ID.php on line 12