Fatal error: Uncaught Error: Class "Telegram\Bot\Events\AbstractEvent" not found in /var/www/html/TelegramBot/vendor/irazasyed/telegram-bot-sdk/src/Events/UpdateEvent.php:8 Stack trace: #0 {main} thrown in /var/www/html/TelegramBot/vendor/irazasyed/telegram-bot-sdk/src/Events/UpdateEvent.php on line 8