GC Error

java.lang.NullPointerException: Rendering screen
	at micdoodle8.mods.galacticraft.core.client.gui.screen.GuiCelestialSelection.getCelestialBodyPosition(GuiCelestialSelection.java:1021)
	at micdoodle8.mods.galacticraft.core.client.gui.screen.GuiCelestialSelection.drawCelestialBodies(GuiCelestialSelection.java:1132)
	at micdoodle8.mods.galacticraft.core.client.gui.screen.GuiCelestialSelection.drawScreen(GuiCelestialSelection.java:911)
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1137)
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1056)
	at net.minecraft.client.Minecraft.run(Minecraft.java:951)
	at net.minecraft.client.main.Main.main(Main.java:164)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:78)
	at GradleStart.main(GradleStart.java:45)