100% vanilla, occurred in an after-battle pursuit. Guessing music related.
814291 [Thread-3] ERROR com.fs.starfarer.combat.CombatMain - java.lang.NullPointerException
java.lang.NullPointerException
at com.fs.starfarer.ui.OO0O.recompute(Unknown Source)
at com.fs.starfarer.ui.OO0O.recompute(Unknown Source)
at com.fs.starfarer.ui.OO0O.setLocation(Unknown Source)
at com.fs.starfarer.renderers.A.H.o00000(Unknown Source)
at com.fs.starfarer.renderers.A.H.o00000(Unknown Source)
at com.fs.starfarer.renderers.A.H.o00000(Unknown Source)
at com.fs.starfarer.renderers.A.new.o00000(Unknown Source)
at com.fs.starfarer.combat.CombatState.traverse(Unknown Source)
at com.fs.state.AppDriver.begin(Unknown Source)
at com.fs.starfarer.combat.CombatMain.main(Unknown Source)
at com.fs.starfarer.StarfarerLauncher.o00000(Unknown Source)
at com.fs.starfarer.StarfarerLauncher$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)