Fatal error: Uncaught Error: Class "HTMLPurifier_Strategy" not found in C:\melius\michael.douglas\web\prod\credpay\_common\classes\vendor\ezyang\htmlpurifier\library\HTMLPurifier\Strategy\ValidateAttributes.php:7 Stack trace: #0 {main} thrown in C:\melius\michael.douglas\web\prod\credpay\_common\classes\vendor\ezyang\htmlpurifier\library\HTMLPurifier\Strategy\ValidateAttributes.php on line 7