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