Fatal error: Uncaught Error: Class "HTMLPurifier_AttrTransform" not found in D:\trms\htdocs\trms3\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrTransform\SafeParam.php:15 Stack trace: #0 {main} thrown in D:\trms\htdocs\trms3\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrTransform\SafeParam.php on line 15