Same repeatable bug. Go to the right (north) and grab the "?" 251/1 halftrack and move (drag it) one hexe south (or left) into 86J7. Crashes, twice now.
VASL v6.6.9-beta2 3.7.12
java.lang.NullPointerException: Cannot invoke "VASL.LOS.Map.Terrain.isBuilding()" because "status.currentTerrain" is null
at VASL.LOS.Map.Map.LOS(Map.java:957)
at VASL.build.module.map.HIPFortification.isViewable(HIPFortification.java:285)
at VASL.build.module.map.HIPFortification.testPieceVisibility(HIPFortification.java:207)
at VASL.build.module.map.HIPFortification.updateView(HIPFortification.java:169)