Fatal error: Uncaught Error: Class "League\CommonMark\Event\AbstractEvent" not found in D:\programs\xampp\htdocs\laravel-blog-api\vendor\league\commonmark\src\Event\DocumentParsedEvent.php:19 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\laravel-blog-api\vendor\league\commonmark\src\Event\DocumentParsedEvent.php on line 19