Seems to work fine in astronaut mode. Flight Mode too.
To reproduce you mark your ship with f ,enter it, go into build mode and press Tab+F6
Stacktrace for build mode of a station and from a ship.:
```[2015-09-21 17:45:38] java.lang.NullPointerException
[2015-09-21 17:45:38] at org.schema.game.client.view.cubes.occlusion.Occlusion.a(SourceFile:1329)
[2015-09-21 17:45:38] at org.schema.game.client.view.cubes.occlusion.Occlusion.b(SourceFile:1219)
[2015-09-21 17:45:38] at org.schema.game.client.view.cubes.occlusion.Occlusion.a(SourceFile:427)
[2015-09-21 17:45:38] at obfuscated.hk.run(SourceFile:2072)
[2015-09-21 17:45:38] [CLIENT] Exception: NullPointerException in computing Lighting of SpaceStation[ENTITY_SPACESTATION_starterstation_build6_1435813421027(5930)]. retrying
[2015-09-21 17:45:38] [SEGDRAWER] not Disposed LEFT: 1050/1054
[2015-09-21 17:45:38] [CLIENT] clearing all buffered data
[2015-09-21 17:45:39] RESORTING TIME : 51
[2015-09-21 17:45:39] org.schema.game.common.controller.CannotImmediateRequestOnClientException
[2015-09-21 17:45:39] at org.schema.game.common.controller.SegmentBuffer.a(SourceFile:477)
[2015-09-21 17:45:39] at org.schema.game.common.controller.SegmentBuffer.a(SourceFile:423)
[2015-09-21 17:45:39] at org.schema.game.common.controller.SegmentBuffer.a(SourceFile:563)
[2015-09-21 17:45:39] at org.schema.game.common.controller.SegmentBuffer.a(SourceFile:558)
[2015-09-21 17:45:39] at org.schema.game.common.controller.SegmentBufferManager.a(SourceFile:315)
[2015-09-21 17:45:39] at obfuscated.gL.a(SourceFile:1094)
[2015-09-21 17:45:39] at obfuscated.gL.b_(SourceFile:196)
[2015-09-21 17:45:39] at obfuscated.hy.b_(SourceFile:400)
[2015-09-21 17:45:39] at obfuscated.hb.f(SourceFile:510)
[2015-09-21 17:45:39] at obfuscated.hb.b_(SourceFile:368)
[2015-09-21 17:45:39] at obfuscated.asc.e(SourceFile:777)
[2015-09-21 17:45:39] at obfuscated.asc.a(SourceFile:1162)
[2015-09-21 17:45:39] at obfuscated.C.h(SourceFile:2772)
[2015-09-21 17:45:39] at obfuscated.Ml.run(SourceFile:92)
[2015-09-21 17:45:39] at java.lang.Thread.run(Unknown Source)```
Logs: {F3216}