-validated- & -confirmed-
Acid damage and explosion damage doesn't like to co-exist on the same blocks. Easy enough to encounter by using a high damage acid weapon such as a death beam (up the damage in the config if needed) and shooting at a target with systems to cause integrity explosions.
```lines=10
[2018-04-22 22:44:34] Exception: tried to remove controller: Explosive Effect Module(421): ModuleMap [all=(ActivationElementManager: TYPE_ALL), signal=(ActivationElementManager: TYPE_ALL), railTrack=(RailSpeedElementManager: TYPE_RAIL_TRACK)] for Ship[Striker Class_1524429851490](220)
[2018-04-22 22:44:34] Exception: tried to remove controller: Explosive Effect Module(421): ModuleMap [all=(ActivationElementManager: TYPE_ALL), signal=(ActivationElementManager: TYPE_ALL), railTrack=(RailSpeedElementManager: TYPE_RAIL_TRACK)] for Ship[Striker Class_1524429851490](220)
[2018-04-22 22:44:34] [SERVER][UPDATE] WARNING: object local update of Ship[Striker Class_1524429851490](220) took 64
[2018-04-22 22:44:34] [SERVER][UPDATE] WARNING: object local update of 14 objects took 66
[2018-04-22 22:44:34] [ControlElementMap] RemoveControlBlock: REMOVED CACHE: 154619871249 ---> null; {}
[2018-04-22 22:44:34] [ControlElementMap] RemoveControlBlock: REMOVED CACHE: 167504838672 ---> null; {}
[2018-04-22 22:44:34] [ControlElementMap] RemoveControlBlock: REMOVED CACHE: 167504773137 ---> null; {}
[2018-04-22 22:44:34] Exception in thread "pool-2-thread-29"
[2018-04-22 22:44:34] java.lang.NullPointerException: Exception: REQUESTED TYPE 0 IS NULL
[2018-04-22 22:44:34] at org.schema.game.common.data.element.ElementKeyMap.getInfo(ElementKeyMap.java:788)
[2018-04-22 22:44:34] at org.schema.game.common.data.element.ElementKeyMap.convertToFullHP(ElementKeyMap.java:1803)
[2018-04-22 22:44:34] at org.schema.game.common.data.explosion.ExplosionCubeConvexBlockCallback.update(ExplosionCubeConvexBlockCallback.java:64)
[2018-04-22 22:44:34] at org.schema.game.common.data.explosion.ExplosionCollisionSegmentCallback.updateCallbacks(ExplosionCollisionSegmentCallback.java:119)
[2018-04-22 22:44:34] at org.schema.game.common.data.explosion.ExplosionRunnable.run(ExplosionRunnable.java:295)
[2018-04-22 22:44:34] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[2018-04-22 22:44:34] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[2018-04-22 22:44:34] at java.lang.Thread.run(Thread.java:745)
```
full logs: {F29032}