The version of the game you are attempting to play does not match our current game servers.
Troubleshooting steps for this StarCraft II error.
Troubleshooting steps for this connection error in Starcraft II or Heroes of the Storm.
How to repair a game through the Battle.net Desktop App
What to do if you internet service provider (ISP) is encountering connection issues.
What to do if you are being asked to repurchase a game you already own.