Fatal error: Uncaught Error: Class 'Longman\TelegramBot\DB' not found in /home/prooyavi/api/tgbot/vendor/longman/telegram-bot/src/ConversationDB.php:18 Stack trace: #0 {main} thrown in /home/prooyavi/api/tgbot/vendor/longman/telegram-bot/src/ConversationDB.php on line 18