[49.7] Error starting game from MekHQ

[Psykoraptor]

Environment

49.7
Windows
Java 11.0.12

Description

When starting a scenario (not STRATCON) from MekHQ, and MegaMek loads up to put the units in, a popup happens. Attached screenshot.

Files

Terran Dragoons30000321.cpnx.gz
megamek.log
mekhq.log

[repligator]

Looks like this may actually be a MegaMek issue, see the following from the logs.

13:25:49,207 ERROR [mekhq.MekHQ] {AWT-EventQueue-0}
mekhq.MekHQ.lambda$main$0(MekHQ.java:269) - Uncaught Exception Detected
java.lang.ArrayIndexOutOfBoundsException: Index 7 out of bounds for length 7
	at megamek.common.util.BoardUtilities.generateElevation(BoardUtilities.java:1140)
	at megamek.common.util.BoardUtilities.generateRandom(BoardUtilities.java:121)