Fatal error: Uncaught Error: Class "HTMLPurifier_Injector" not found in /var/www/erp/office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php:6 Stack trace: #0 {main} thrown in /var/www/erp/office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php on line 6