Fatal error: Uncaught Error: Class "HTMLPurifier_Definition" not found in D:\laragon\www\admin.show.com\vendor\ezyang\htmlpurifier\library\HTMLPurifier\CSSDefinition.php:7 Stack trace: #0 {main} thrown in D:\laragon\www\admin.show.com\vendor\ezyang\htmlpurifier\library\HTMLPurifier\CSSDefinition.php on line 7