Minecraft Aether II mod world generation error

2013-06-15 23:13:57 [SEVERE] [ForgeModLoader] Unable to access any field [starGLCallList] on type net.minecraft.client.renderer.RenderGlobal
cpw.mods.fml.relauncher.ReflectionHelper$UnableToAccessFieldException: cpw.mods.fml.relauncher.ReflectionHelper$UnableToFindFieldException: java.lang.NoSuchFieldException: starGLCallList
	at cpw.mods.fml.relauncher.ReflectionHelper.getPrivateValue(ReflectionHelper.java:114)
	at cpw.mods.fml.common.ObfuscationReflectionHelper.getPrivateValue(ObfuscationReflectionHelper.java:61)
	at net.aetherteam.aether.client.renders.AetherSkyProvider.<init>(AetherSkyProvider.java:32)
	at net.aetherteam.aether.worldgen.WorldProviderAether.getSkyRenderer(WorldProviderAether.java:166)
	at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at Reflector.call(Reflector.java:400)
	at net.minecraft.client.renderer.RenderGlobal.func_72714_a(RenderGlobal.java:1062)
	at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1545)
	at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1134)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:870)
	at net.minecraft.client.Minecraft.run(Minecraft.java:759)
	at java.lang.Thread.run(Unknown Source)
Caused by: cpw.mods.fml.relauncher.ReflectionHelper$UnableToFindFieldException: java.lang.NoSuchFieldException: starGLCallList
	at cpw.mods.fml.relauncher.ReflectionHelper.findField(ReflectionHelper.java:87)
	at cpw.mods.fml.relauncher.ReflectionHelper.getPrivateValue(ReflectionHelper.java:110)
	... 13 more
Caused by: java.lang.NoSuchFieldException: starGLCallList
	at java.lang.Class.getDeclaredField(Unknown Source)
	at cpw.mods.fml.relauncher.ReflectionHelper.findField(ReflectionHelper.java:78)
	... 14 more