Board Thread:General Discussion/@comment-32072457-20170522014320/@comment-24972932-20170524144426

I think it has to do with you following a friend into a 1 player server, which your friend has already left.

I've reported this issue to roblox on dev forums.

I also made a patch for it, but it introduced more issues than it solved so I scrapped that idea. Might have another look at it later.