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