FTB Revelations 1.2.0 advanced rocketry crash

```java
[13:10:35] [ERROR] Encountered an unexpected exception
[13:10:35] net.minecraft.util.ReportedException: Ticking block entity
[13:10:35] at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:771) ~[MinecraftServer.class:?]
[13:10:35] at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:396) ~[nz.class:?]
[13:10:35] at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:666) ~[MinecraftServer.class:?]
[13:10:35] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:524) [MinecraftServer.class:?]
[13:10:35] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
[13:10:35] Caused by: java.lang.NullPointerException
[13:10:35] at zmaster587.advancedRocketry.tile.Satellite.TileEntitySatelliteControlCenter.func_70299_a(TileEntitySatelliteControlCenter.java:111) ~[TileEntitySatelliteControlCenter.class:?]
[13:10:35] at zmaster587.advancedRocketry.util.StorageChunk.cutWorldBB(StorageChunk.java:615) ~[StorageChunk.class:?]
[13:10:35] at zmaster587.advancedRocketry.tile.TileStationBuilder.assembleRocket(TileStationBuilder.java:120) ~[TileStationBuilder.class:?]
[13:10:35] at zmaster587.advancedRocketry.tile.TileRocketBuilder.performFunction(TileRocketBuilder.java:208) ~[TileRocketBuilder.class:?]
[13:10:35] at zmaster587.libVulpes.tile.TileEntityRFConsumer.func_73660_a(TileEntityRFConsumer.java:123) ~[TileEntityRFConsumer.class:unspecified]
[13:10:35] at net.minecraft.world.World.func_72939_s(World.java:1832) ~[amu.class:?]
[13:10:35] at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:612) ~[oo.class:?]
[13:10:35] at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:765) ~[MinecraftServer.class:?]
```