Fatal error: Uncaught Error: Class "HTMLPurifier_Strategy" not found in D:\xampp\htdocs\bkash-biller-portal-app\backup_21_01_2026\vendor\ezyang\htmlpurifier\library\HTMLPurifier\Strategy\ValidateAttributes.php:7 Stack trace: #0 {main} thrown in D:\xampp\htdocs\bkash-biller-portal-app\backup_21_01_2026\vendor\ezyang\htmlpurifier\library\HTMLPurifier\Strategy\ValidateAttributes.php on line 7