Fatal error: Uncaught Error: Class "HTMLPurifier_Strategy" not found in E:\laragon\www\pos\vendor\ezyang\htmlpurifier\library\HTMLPurifier\Strategy\ValidateAttributes.php:7 Stack trace: #0 {main} thrown in E:\laragon\www\pos\vendor\ezyang\htmlpurifier\library\HTMLPurifier\Strategy\ValidateAttributes.php on line 7