Fatal error: Uncaught Error: Class 'HTMLPurifier_DefinitionCache_Decorator' not found in /app/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator/Cleanup.php:7 Stack trace: #0 {main} thrown in /app/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator/Cleanup.php on line 7