During an IOA I see the message the server is not responding. what do i do now? [Error]

The server might be congested if there is too many requests at a time. This is applicable for any server in the internet.

Things you can consider to resolve any such issue
* Check your internet connection speed (www.speedtest.net and make sure you have 128kbps or more)
* Refresh the webpage (Ctrl+F5 on most browsers). You might have to do it multiple times
* Consider changing your browser
* Search the internet for resolving such issue.