NullReferenceException: Harpoon UGM-84 launch (Ticonderoga) against KA-27 Helix (Udaloy)

[Tryfwnas]

NullReferenceException: Object reference not set to an instance of an object
LaunchSAM.OnExit ()
DotModStateMachine.SetStatus (IDotModState state)
DotModStateMachine.Tick()
DotModWeapon.FixedUpdate ()

Try to continue -> nothing
Close Game _> Exit