[VASL] NullPointerException: Cannot invoke "VASL.LOS.Map.Hex.getColumnNumber()" because "source" is null

[uckelman]

ABR
Version	3.7.20
Reporter	nicolamarangon@gmail.com
Error Log	242168 bytes

Created Acq counter with ctrl+E, then moved the acq counter to a new location

VASL v6.7.2-beta4 3.7.20

java.lang.NullPointerException: Cannot invoke "VASL.LOS.Map.Hex.getColumnNumber()" because "source" is null
 at VASL.LOS.Map.Map.range(Map.java:1427)
 at VASL.build.module.map.PieceLinker.draw(PieceLinker.java:222)
 at VASSAL.build.module.Map.drawDrawable(Map.java:2469)
 at VASSAL.build.module.Map.paintRegion(Map.java:2350)

[derimmer]

transferred to vasl-developers/vasl#2477