Fatal error: Uncaught Error: Class "HTMLPurifier_AttrTransform" not found in /home/edepracl/public_html/moodle30/lib/htmlpurifier/HTMLPurifier/AttrTransform/SafeObject.php:6 Stack trace: #0 {main} thrown in /home/edepracl/public_html/moodle30/lib/htmlpurifier/HTMLPurifier/AttrTransform/SafeObject.php on line 6