The infamous BN 564 error message is popping up in Overwatch for PlayStation users. Luckily the BN 564 error message has a simple fix for this situation. The error code pop ups before playing Overwatch and reports that servers are down.
Overwatch Error BN 564: How to Fix.
When the BN 564 error pops up for PlayStation users when they load Overwatch, first investigate if it is the official maintenance servers going under repair. Players can check the Blizzard CS Twitter for confirmation. If the servers are actually down, players will need to wait for them to come back online.
If it's unofficial maintenance from Blizzard the next step involves players' console accounts. Players need to disconnect their Blizzard accounts from the PlayStation console.
To do this, select account settings on Battle.net, click security and privacy, choose connected accounts, and click disconnect. Once players have followed these steps to disconnect, close and reset Overwatch on your PlayStation and the BN 564 error code should disappear. Reconnect your Blizzard account back onto the console by going to the PlayStation website and linking the Blizzard account together again.