Fatal error: Uncaught Error: Class "HTMLPurifier_Bootstrap" not found in E:\xampp\htdocs\stms\vendor\ezyang\htmlpurifier\library\HTMLPurifier.autoload.php:11 Stack trace: #0 {main} thrown in E:\xampp\htdocs\stms\vendor\ezyang\htmlpurifier\library\HTMLPurifier.autoload.php on line 11