Fatal error: Uncaught Error: Class "HTMLPurifier_AttrTransform" not found in E:\laragon\www\pos\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrTransform\Border.php:6 Stack trace: #0 {main} thrown in E:\laragon\www\pos\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrTransform\Border.php on line 6