Fatal error: Uncaught Error: Class "HTMLPurifier_Strategy" not found in /Library/WebServer/Documents/Morgan/common/php/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php:7 Stack trace: #0 {main} thrown in /Library/WebServer/Documents/Morgan/common/php/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php on line 7