Error GalactiCraft

---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 7/20/13 5:01 PM
Description: Ticking tile entity

java.lang.ClassCastException: micdoodle8.mods.galacticraft.core.tile.GCCoreTileEntityParachest cannot be cast to net.minecraf
t.tileentity.TileEntityChest
        at net.minecraft.tileentity.TileEntityChest.func_70418_i(TileEntityChest.java:338)
        at net.minecraft.tileentity.TileEntityChest.func_70316_g(TileEntityChest.java:392)
        at net.minecraft.world.World.func_72939_s(World.java:2362)
        at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:787)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:820)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:716)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:600)
        at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
        at net.minecraft.tileentity.TileEntityChest.func_70418_i(TileEntityChest.java:338)
        at net.minecraft.tileentity.TileEntityChest.func_70316_g(TileEntityChest.java:392)

-- Tile entity being ticked --
Details:
        Name: Chest // net.minecraft.tileentity.TileEntityChest
        Block type: ID #54 (tile.chest // net.minecraft.block.BlockChest)
        Block data value: 5 / 0x5 / 0b0101
        Block location: World: (-1012,72,1547), Chunk: (32,53 to -21,54, blocks -543,0,54 to -543,255,54)
, Region: (-2,3; contains chunks -32,53 to -21,54, blocks -543,0,54 to -543,255,54)
        Actual block type: ID #54 (tile.chest // net.minecraft.block.BlockChest)
        Actual block data value: 5 / 0x5 / 0b0101
Stacktrace:
        at net.minecraft.world.World.func_72939_s(World.java:2362)
        at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:787)

-- Affected level --
Details:
        Level name: world
        All players: 1 total; [GCCorePlayerMP['Steave'/58, l='world', x=-1011.50, y=72.00, z=1647.50](Steave at -1011.5,72.
0,1647.5)]
        Chunk stats: ServerChunkCache: 158 Drop: 0
        Level seed: 6149831034283071834
        Level generator: ID 00 - default, ver 1. Features enabled: false
        Level generator options:
        Level spawn location: World: (-717,66,-228), Chunk: (at 3,4,12 in -45,-15; contains blocks -720,0,-240 to -705,255,-2
25), Region: (-2,-1; contains chunks -64,-32 to -33,-1, blocks -1024,0,-512 to -513,255,-1)
        Level time: 73620494 game time, 74083832 day time
        Level dimension: 0
        Level storage version: 0x04ABD - Anvil
        Level weather: Rain time: 94756 (now: false), thunder time: 15468 (now: false)
        Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:820)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:716)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:600)
        at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)