runtime error

etryError: HTTPSConnectionPool(host='api.telegram.org', port=443): Max retries exceeded with url: /bot6437015834:AAEt3nGcS8isgqURd8bgoy4cPKTtgWtZC9c/sendMessage?chat_id=2097007532&text=STARTING+BOT+FOR%3A+BTCUSDT.P+MEXC+30 (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f5f6cdf1460>: Failed to resolve 'api.telegram.org' ([Errno -5] No address associated with hostname)")) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/user/app/main.py", line 245, in <module> startpolling('MEXC', 'BTCUSDT.P', '30') File "/home/user/app/main.py", line 195, in startpolling bot.send_message(os.getenv('TELEGRAM_CHAT_ID'), f'STARTING BOT FOR: {symbol} {exchange} {interval}', timeout=20) File "/usr/local/lib/python3.9/site-packages/telebot/__init__.py", line 1549, in send_message apihelper.send_message( File "/usr/local/lib/python3.9/site-packages/telebot/apihelper.py", line 264, in send_message return _make_request(token, method_url, params=payload, method='post') File "/usr/local/lib/python3.9/site-packages/telebot/apihelper.py", line 156, in _make_request result = _get_req_session().request( File "/usr/local/lib/python3.9/site-packages/requests/sessions.py", line 589, in request resp = self.send(prep, **send_kwargs) File "/usr/local/lib/python3.9/site-packages/requests/sessions.py", line 703, in send r = adapter.send(request, **kwargs) File "/usr/local/lib/python3.9/site-packages/requests/adapters.py", line 519, in send raise ConnectionError(e, request=request) requests.exceptions.ConnectionError: HTTPSConnectionPool(host='api.telegram.org', port=443): Max retries exceeded with url: /bot6437015834:AAEt3nGcS8isgqURd8bgoy4cPKTtgWtZC9c/sendMessage?chat_id=2097007532&text=STARTING+BOT+FOR%3A+BTCUSDT.P+MEXC+30 (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f5f6cdf1460>: Failed to resolve 'api.telegram.org' ([Errno -5] No address associated with hostname)"))

Container logs: