Fatal error: Uncaught Error: Class "League\Event\AbstractEvent" not found in C:\xampp\htdocs\cms-propay\vendor\irazasyed\telegram-bot-sdk\src\Events\UpdateWasReceived.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\cms-propay\vendor\irazasyed\telegram-bot-sdk\src\Events\UpdateWasReceived.php on line 12