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