Fatal error: Uncaught Error: Class 'HTMLPurifier_HTMLModule' not found in /home/aefn/public_html/moodle/lib/htmlpurifier/HTMLPurifier/HTMLModule/Presentation.php:13 Stack trace: #0 {main} thrown in /home/aefn/public_html/moodle/lib/htmlpurifier/HTMLPurifier/HTMLModule/Presentation.php on line 13