BoP, GC compatibility issue?

gistfile1.txt

[16:07:57 WARN]: java.lang.ArrayIndexOutOfBoundsException: 2
[16:07:57 WARN]:        at biomesoplenty.common.blocks.BlockStoneFormations.getUnlocalizedName(BlockStoneFormations.java:139)
[16:07:57 WARN]:        at biomesoplenty.common.itemblocks.ItemBlockBOPMetadata.func_77667_c(ItemBlockBOPMetadata.java:24)
[16:07:57 WARN]:        at micdoodle8.mods.galacticraft.planets.mars.inventory.ContainerTerraformer.<init>(ContainerTerraformer.java:68)
[16:07:57 WARN]:        at micdoodle8.mods.galacticraft.planets.mars.MarsModule.getGuiElement(MarsModule.java:190)
[16:07:57 WARN]:        at micdoodle8.mods.galacticraft.planets.PlanetsProxy.getServerGuiElement(PlanetsProxy.java:63)
[16:07:57 WARN]:        at cpw.mods.fml.common.network.NetworkRegistry.getRemoteGuiContainer(NetworkRegistry.java:241)
[16:07:57 WARN]:        at cpw.mods.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:85)
[16:07:57 WARN]:        at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2415)
[16:07:57 WARN]:        at micdoodle8.mods.galacticraft.planets.mars.blocks.BlockMachineMars.onMachineActivated(BlockMachineMars.java:334)
[16:07:57 WARN]:        at micdoodle8.mods.galacticraft.core.blocks.BlockAdvanced.func_149727_a(BlockAdvanced.java:68)
[16:07:57 WARN]:        at net.minecraft.server.management.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:456)
[16:07:57 WARN]:        at net.minecraft.network.NetHandlerPlayServer.func_147346_a(NetHandlerPlayServer.java:872)
[16:07:57 WARN]:        at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:60)
[16:07:57 WARN]:        at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:9)
[16:07:57 WARN]:        at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:244)
[16:07:57 WARN]:        at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:173)
[16:07:57 WARN]:        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:980)
[16:07:57 WARN]:        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:423)
[16:07:57 WARN]:        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798)
[16:07:57 WARN]:        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658)
[16:07:57 WARN]:        at java.lang.Thread.run(Thread.java:745)

Got this crash too.