This is the first one I've gotten:
Exception in thread "LWJGL Application" java.lang.NullPointerException
at kaleta.hex3.battle.entities.Gx.HexEntityGx.playArmourHitSound(HexEntityGx.java:2600)
at kaleta.hex3.battle.entities.Gx.HexEntityGx$68.start(HexEntityGx.java:2749)
at kaleta.hex3.utils.ScheduledFloatInterpolationTask.tick(ScheduledFloatInterpolationTask.java:76)
at kaleta.hex3.utils.Scheduler.tick(Scheduler.java:406)
at kaleta.hex3.battle.BattlefieldGx.tick(BattlefieldGx.java:480)
at kaleta.hex3.gameScreens.BattleMapScreen.tick(BattleMapScreen.java:591)
at kaleta.hex3.HexGame3.render(HexGame3.java:876)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:225)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126)
It caused the game to immediately stop running. It happened while NPCs were taking turns during combat.