All Friends on List is gone And Friends cant inv. me either

So I logged on to play with my friend and then I noticed that I had none of me friends on my friend list, plus my friend cant invite me either because it says that im not online and when I checked to see on my blizzard launcher it said that I was offline, but when I tried to but it back to online nothing happened and then som time later it just randomly went back to online status. is there a server problem right now or what? and if there is a salution pls help me!

Hello ImBetter123,

Make sure that you are in the same region as your friends. This article may help out.