Well I do not play Minecraft any more but I did play it about 3 years ago and this is a very common error in my experience. It usually means the server is offline, or something similar. The error just means that you cannot connect because it has taken too long to communicate/respond to the server.
Here are some fixes:
https://hypixel.net/threads/guide-solve-your-connection-problems.224475/
https://www.youtube.com/watch?v=uhyG3YwQBrE