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 five minutes, then restart it.
3. If the situation does not improve, this may be a temporary issue. Please try again after a while.