Fatal error: Uncaught Error: Class "League\CommonMark\Event\AbstractEvent" not found in C:\Xampp\www\0050467\ims-mobile\vendor\league\commonmark\src\Event\DocumentParsedEvent.php:21 Stack trace: #0 {main} thrown in C:\Xampp\www\0050467\ims-mobile\vendor\league\commonmark\src\Event\DocumentParsedEvent.php on line 21