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java.lang.NullPointerException: 	at java.util.Objects.requireNonNull(Unknown Source)	at java.util.Optional.(Unknown Source)	at java.util.Optional.of(Unknown Source)	at games.strategy.triplea.ui.TripleAFrame.getInGameLobbyWatcher(TripleAFrame.java:2176)	at games.strategy.triplea.ui.menubar.TripleAMenuBar.(TripleAMenuBar.java:77)	at games.strategy.triplea.ui.TripleAFrame.(TripleAFrame.java:281)	at games.strategy.triplea.TripleA.lambda$startGame$154(TripleA.java:134)	at games.strategy.ui.SwingAction.lambda$invokeAndWait$344(SwingAction.java:61)	at java.awt.event.InvocationEvent.dispatch(Unknown Source)	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)	at java.awt.EventQueue.access$500(Unknown Source)	at java.awt.EventQueue$3.run(Unknown Source)	at java.awt.EventQueue$3.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)	at java.awt.EventQueue.dispatchEvent(Unknown Source)	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.run(Unknown Source)