Fatal error: Uncaught Error: Class 'HTMLPurifier_AttrDef' not found in /home/muscatine/sites/muscatine.k12.ia.us/releases/20230830082429/web/app/plugins/safe-svg/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/Clone.php:7 Stack trace: #0 {main} thrown in /home/muscatine/sites/muscatine.k12.ia.us/releases/20230830082429/web/app/plugins/safe-svg/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/Clone.php on line 7