since Version 0.199.172:
about 3 or 4 times a Day we got this Message: (in an endless Loop, 1 MB/s logs)
2016-08-29 17:50:07] [SERVER] ######## EXCEPTION: Object PlayerCharacter[(ENTITY_PLAYERCHARACTER_juergen)(6849)] was hidden. Throwing NullPointer
[2016-08-29 17:50:07] [KINEMATICCONTROLLER][UPDATEACTION] Server(0) NULLPOINTER EXCEPTION: CAUSED BY PlayerCharacter[(ENTITY_PLAYERCHARACTER_juergen)(6849)]: In sector 6452; hidden: true
[2016-08-29 17:50:07] java.lang.NullPointerException: Hidden object PlayerCharacter[(ENTITY_PLAYERCHARACTER_juergen)(6849)]
[2016-08-29 17:50:07] at obfuscated.acZ.updateAction(SourceFile:377)
[2016-08-29 17:50:07] at obfuscated.adc.updateActions(SourceFile:1580)
[2016-08-29 17:50:07] at obfuscated.adc.internalSingleStepSimulation(SourceFile:1533)
[2016-08-29 17:50:07] at obfuscated.adc.stepSimulation(SourceFile:1348)
[2016-08-29 17:50:07] at com.bulletphysics.dynamics.DynamicsWorld.stepSimulation(DynamicsWorld.java:58)
[2016-08-29 17:50:07] at obfuscated.aJr.a(SourceFile:1733)
[2016-08-29 17:50:07] at obfuscated.adl.a(SourceFile:705)
[2016-08-29 17:50:07] at obfuscated.agw.a(SourceFile:2322)
[2016-08-29 17:50:07] at org.schema.game.common.data.world.Universe.updateSector(SourceFile:1088)
[2016-08-29 17:50:07] at org.schema.game.common.data.world.Universe.update(SourceFile:1120)
[2016-08-29 17:50:07] at org.schema.game.server.controller.GameServerController.update(SourceFile:1274)
[2016-08-29 17:50:07] at org.schema.schine.network.server.ServerController.run(SourceFile:270)
[2016-08-29 17:50:07] at java.lang.Thread.run(Unknown Source)
[2016-08-29 17:50:07] [SERVER] ######## EXCEPTION: Object PlayerCharacter[(ENTITY_PLAYERCHARACTER_juergen)(6849)] was hidden. Throwing NullPointer
[2016-08-29 17:50:07] [KINEMATICCONTROLLER][UPDATEACTION] Server(0) NULLPOINTER EXCEPTION: CAUSED BY PlayerCharacter[(ENTITY_PLAYERCHARACTER_juergen)(6849)]: In sector 6452; hidden: true
[2016-08-29 17:50:07] java.lang.NullPointerException: Hidden object PlayerCharacter[(ENTITY_PLAYERCHARACTER_juergen)(6849)]
[2016-08-29 17:50:07] at obfuscated.acZ.updateAction(SourceFile:377)
[2016-08-29 17:50:07] at obfuscated.adc.updateActions(SourceFile:1580)
[2016-08-29 17:50:07] at obfuscated.adc.internalSingleStepSimulation(SourceFile:1533)
[2016-08-29 17:50:07] at obfuscated.adc.stepSimulation(SourceFile:1348)
[2016-08-29 17:50:07] at com.bulletphysics.dynamics.DynamicsWorld.stepSimulation(DynamicsWorld.java:58)
[2016-08-29 17:50:07] at obfuscated.aJr.a(SourceFile:1733)
[2016-08-29 17:50:07] at obfuscated.adl.a(SourceFile:705)
[2016-08-29 17:50:07] at obfuscated.agw.a(SourceFile:2322)
[2016-08-29 17:50:07] at org.schema.game.common.data.world.Universe.updateSector(SourceFile:1088)
[2016-08-29 17:50:07] at org.schema.game.common.data.world.Universe.update(SourceFile:1120)
[2016-08-29 17:50:07] at org.schema.game.server.controller.GameServerController.update(SourceFile:1274)
[2016-08-29 17:50:07] at org.schema.schine.network.server.ServerController.run(SourceFile:270)
[2016-08-29 17:50:07] at java.lang.Thread.run(Unknown Source)