Stuck in party mode

Hi i am stuck in party mode does not matter wat i do i cant get out is there any one that can tell me how to fix it

Hello:

Looks like you have the same issue that many players on Americas are having… Code 315000. See the following topics on the US domain:

If your BNet App is up-to-date (version 2.49.0.15846), there is probably nothing to do except wait for Blizzard to come to work and fix it.