The current stacktrace is old and is probably not relevant anymore.
Break off crashes still happen though.
´´´
[2017-06-21 22:55:50] Exiting (normal) because of exception java.lang.NullPointerException: Exception: REQUESTED TYPE 0 IS NULL
[2017-06-21 22:55:50] java.lang.NullPointerException: Exception: REQUESTED TYPE 0 IS NULL
[2017-06-21 22:55:50] at org.schema.game.common.data.element.ElementKeyMap.getInfo(SourceFile:643)
[2017-06-21 22:55:50] at org.schema.game.common.controller.EditableSendableSegmentController.handleHit(SourceFile:1494)
[2017-06-21 22:55:50] at obfuscated.YA.handleHit(SourceFile:334)
[2017-06-21 22:55:50] at org.schema.game.common.controller.elements.ProjectileController.hitBlock(SourceFile:524)
[2017-06-21 22:55:50] at org.schema.game.common.controller.elements.ProjectileController.checkCollision(SourceFile:390)
[2017-06-21 22:55:50] at org.schema.game.common.controller.elements.ProjectileController.updateParticle(SourceFile:1150)
[2017-06-21 22:55:50] at obfuscated.aLm.update(SourceFile:167)
[2017-06-21 22:55:50] at org.schema.game.common.controller.elements.ProjectileController.update(SourceFile:1188)
[2017-06-21 22:55:50] at obfuscated.ajG.a(SourceFile:2318)
[2017-06-21 22:55:50] at org.schema.game.common.data.world.Universe.updateSector(SourceFile:1133)
[2017-06-21 22:55:50] at org.schema.game.common.data.world.Universe.update(SourceFile:1197)
[2017-06-21 22:55:50] at org.schema.game.server.controller.GameServerController.update(SourceFile:1295)
[2017-06-21 22:55:50] at org.schema.schine.network.server.ServerController.run(SourceFile:275)
[2017-06-21 22:55:50] at java.lang.Thread.run(Unknown Source)
```