[Twilight Struggle 3.1] NullPointerException: Cannot invoke "java.util.Set.contains(Object)" because the return value of "ca.mkiefte.Influence.getNeighbours(String)" is null

[uckelman]

ABR
Version	3.7.15
Reporter
Error Log	10537 bytes

Twilight Struggle 3.1 v3.2 3.7.15

java.lang.NullPointerException: Cannot invoke "java.util.Set.contains(Object)" because the return value of "ca.mkiefte.Influence.getNeighbours(String)" is null
 at ca.mkiefte.Influence.isAdjacentToOpponentSuperpower(Influence.java:1101)
 at ca.mkiefte.cards.ScoringCard.updateRegion(ScoringCard.java:247)
 at ca.mkiefte.TSTurnTracker.updateRegionMarkers(TSTurnTracker.java:641)
 at ca.mkiefte.TSTurnTracker$5.run(TSTurnTracker.java:1075)