Industrial battlemech armor causes NullPointerException

[FixDis]

Environment

MegaMekLab v0.49.18
Windows 11
Eclipse Adoptium Java Version: 11.0.21

Description

Putting Industrial armor on a tournament-legal battlemech causes a NullPointerException

[HammerGS]

We need logs.

[FixDis]

megameklab.log
?

[HammerGS]

Easy to duplicate, and still exists in the Repo as off todays date.

00:24:55,512 ERROR [megameklab.MegaMekLab] {AWT-EventQueue-0}
megameklab.MegaMekLab.lambda$main$0(MegaMekLab.java:40) - Uncaught Exception Detected
java.lang.NullPointerException
	at megameklab.ui.mek.BMStructureTab.createArmorMountsAndSetArmorType(BMStructureTab.java:507)
	at megameklab.ui.mek.BMStructureTab.armorTypeChanged(BMStructureTab.java:971)
	at megameklab.ui.generalUnit.MVFArmorView.lambda$actionPerformed$2(MVFArmorView.java:351)
	at java.base/java.util.concurrent.CopyOnWriteArrayList.forEach(CopyOnWriteArrayList.java:807)
	at megameklab.ui.generalUnit.MVFArmorView.actionPerformed(MVFArmorView.java:351)