Fatal error: Uncaught Error: Class "HTMLPurifier_ChildDef" not found in C:\Apache24\htdocs\cw\vendor\ezyang\htmlpurifier\library\HTMLPurifier\ChildDef\Empty.php:10 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cw\vendor\ezyang\htmlpurifier\library\HTMLPurifier\ChildDef\Empty.php on line 10