Fatal error: Uncaught Error: Class 'HTMLPurifier_Strategy' not found in /home/kingelearn/public_html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/RemoveForeignElements.php:11
Stack trace:
#0 {main}
thrown in /home/kingelearn/public_html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/RemoveForeignElements.php on line 11