CE-30003-6

If this error occurs, there may be a problem with the network connection to the server:

1. If you are in a party, please restart your PlayStation®4 console after leaving the party. Then join the party again.
   
2. Turn off your router and modem, and wait at least 5 minutes, then restart it.
3. If the situation does not improve, this may be a temporary issue. Please try again after a while.