can't connect?

I had a suspicion this wasn't only my problem. Cell phone puttered out two different times while tapping through my friends' Springfields, and after the second time, got the message that I was logged in on another device. Now can't connect to the server. Crossing my fingers that I don't lose 41 levels of progress, but I do understand. Will try not to do something stupid to erase my town in the meantime!