Fatal error: Uncaught Error: Class "HTMLPurifier_Strategy" not found in /var/www/erp/office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/RemoveForeignElements.php:11
Stack trace:
#0 {main}
thrown in /var/www/erp/office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/RemoveForeignElements.php on line 11