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