The Modern Warfare and Warzone error code Status: SAVANNAH often appears when you try to connect with friends, and is usually accompanied by the message "Unable to join game session, the host cannot be joined or game play is paused" when that connection fails.
In recapturing the base, Task Force 141 also discovers that the last missile has been smuggled to Chicago where it'll be aimed at Washington, D.C., so that's the final stop in the campaign.
