This means that the connection between the application and EVP Systems dropped unexpectedly. It’s usually a hiccup with the public Internet between you and our servers, and the easiest solution is often to wait a minute and try again.
If the problem continues for more than a day, there might be a more persistent issue with network routes, and talking to your IT department about using a proxy is the next step. If you have access to a proxy, setting it up in the application is easy.