Nevek

I have this problem, someone can help? 08:37:59 [sEVERE] java.lang.IllegalArgumentException: Slot 155 is already occupied by eloraam.core.BlockMultipart@424c414 when adding buildcraft.builders.BlockFiller@9c4ff2c 08:37:59 [sEVERE] at net.minecraft.server.Block.<init>(Block.java:177) 08:37:59 [sEVERE] at net.minecraft.server.BlockContainer.<init>(BlockContainer.java:6) 08:37:59 [sEVERE] at buildcraft.builders.BlockFiller.<init>(BlockFiller.java:25) 08:37:59 [sEVERE] at net.minecraft.server.BuildCraftBuilders.initialize(BuildCraftBuilders.java:61) 08:37:59 [sEVERE] at net.minecraft.server.mod_BuildCraftBuilders.modsLoaded(mod_BuildCraftBuilders.java:17) 08:37:59 [sEVERE] at cpw.mods.fml.server.ModLoaderModContainer.postInit(ModLoaderModContainer.java:277) 08:37:59 [sEVERE] at cpw.mods.fml.common.Loader.postModInit(Loader.java:236) 08:37:59 [sEVERE] at cpw.mods.fml.common.Loader.initializeMods(Loader.java:540) 08:37:59 [sEVERE] at cpw.mods.fml.server.FMLBukkitHandler.onLoadComplete(FMLBukkitHandler.java:121) 08:37:59 [sEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:159) 08:37:59 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) 08:37:59 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) 08:37:59 [sEVERE] Unexpected exception java.lang.IllegalArgumentException: Slot 155 is already occupied by eloraam.core.BlockMultipart@424c414 when adding buildcraft.builders.BlockFiller@9c4ff2c at net.minecraft.server.Block.<init>(Block.java:177) at net.minecraft.server.BlockContainer.<init>(BlockContainer.java:6) at buildcraft.builders.BlockFiller.<init>(BlockFiller.java:25) at net.minecraft.server.BuildCraftBuilders.initialize(BuildCraftBuilders.java:61) at net.minecraft.server.mod_BuildCraftBuilders.modsLoaded(mod_BuildCraftBuilders.java:17) at cpw.mods.fml.server.ModLoaderModContainer.postInit(ModLoaderModContainer.java:277) at cpw.mods.fml.common.Loader.postModInit(Loader.java:236) at cpw.mods.fml.common.Loader.initializeMods(Loader.java:540) at cpw.mods.fml.server.FMLBukkitHandler.onLoadComplete(FMLBukkitHandler.java:121) at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:159) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)