urlopen error [Errno 110] Connection timed out

Hello. I am a Copernicus user. Currently, we are using the API of the Climate Data Store, but it is difficult because of a sudden error. The phrase is as follows. 'an internal error occurred processing your request. <urlopen error [Errno 110] Connection timed out>.'
This continues to show errors in this form, but I'm not sure what the problem is. Can you tell me what the solution is? My Climate Data Store email is 'ckghdud2@naver.com'.