Fatal error: Uncaught Error: Class 'HTMLPurifier_AttrTransform' not found in /home/marshalltowncsd/sites/marshalltown.k12.ia.us/releases/20230829083101/web/app/plugins/safe-svg/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/SafeParam.php:15 Stack trace: #0 {main} thrown in /home/marshalltowncsd/sites/marshalltown.k12.ia.us/releases/20230829083101/web/app/plugins/safe-svg/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/SafeParam.php on line 15