World Crash

[wolffang404]

Hello, whenever i log in to my world it crashes, I read the crash screen and I think it has something to do with the Iron chests mod, and my crystal chests in my base, does anyone know a fix?

here is the error report from my crash screen

-- Head --
Stacktrace:
    at forestry.arboriculture.items.ItemGermlingGE.getIconIndex(ItemGermlingGE.java:112)
    at bce.a(RenderItem.java:130)
    at cpw.mods.ironchest.client.TileEntityIronChestRenderer.render(TileEntityIronChestRenderer.java:180)
    at cpw.mods.ironchest.client.TileEntityIronChestRenderer.a(TileEntityIronChestRenderer.java:191)
    at bdw.a(SourceFile:103)
    at bdw.a(SourceFile:96)
    at bav.a(RenderGlobal.java:499)
    at ban.a(EntityRenderer.java:1131)
 
-- Affected level --
Details:
    Level name: MpServer
    All players: 1 total; [ays['wolffang404'/90007, l='MpServer', x=-225.53, y=46.52, z=218.19]]
    Chunk stats: MultiplayerChunkCache: 5
    Level seed: 0
    Level generator: ID 00 - default, ver 1. Features enabled: false
    Level generator options:
    Level spawn location: World: (-92,64,256), Chunk: (at 4,4,0 in -6,16; contains blocks -96,0,256 to -81,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
    Level time: 3411501 game time, 4252649 day time
    Level dimension: 0
    Level storage version: 0x00000 - Unknown?
    Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
    Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
    Forced entities: 2 total; [EntityRadio['entity.PortalGun.portal_entityradio.name'/89798, l='MpServer', x=-226.81, y=46.00, z=228.84], ays['wolffang404'/90007, l='MpServer', x=-225.53, y=46.52, z=218.19]]
    Retry entities: 0 total; []
Stacktrace:
    at ayp.a(WorldClient.java:440)
    at net.minecraft.client.Minecraft.b(Minecraft.java:2401)
    at net.minecraft.client.Minecraft.run(Minecraft.java:794)
    at java.lang.Thread.run(Unknown Source)

 

[Ashzification]

Entire log please