Fatal error: Uncaught Error: Class "HTMLPurifier_DefinitionCache" not found in C:\xampp\htdocs\vendor\stevebauman\purify\src\Cache\FilesystemDefinitionCache.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\stevebauman\purify\src\Cache\FilesystemDefinitionCache.php on line 9