Fatal error: Uncaught Error: Class "HTMLPurifier_HTMLModule" not found in /var/www/erp/office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy.php:8 Stack trace: #0 {main} thrown in /var/www/erp/office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy.php on line 8