ID Resolver Error

Mods loaded: 16
ModLoader Beta 1.7.3
mod_mocreatures v2.12.1 (MC 1.7_3)
mod_Zeppelin 1.7.3.0.11
mod_RedPowerArray 1.7.1
mod_RedPowerCore 1.7.1
mod_RedPowerLighting 1.7.1
mod_RedPowerLogic 1.7.1
mod_RedPowerWiring 1.7.1
mod_Backpack r4
mod_ClayMan Beta 1.7.3
mod_Elevator 1.7.3
mod_IDResolver 1.7.3 - Update 2
mod_PartyAnthemDisk PartyAnthemDisk by madcrazydrumma
mod_Rarity r2
mod_RecipeBook Beta 1.7.3
mod_TooManyItems 1.7.2 2011-07-01

      Minecraft has crashed!
      ----------------------

Minecraft has stopped running because it encountered a problem.

If you wish to report this, please copy this entire text and email it to support@mojang.com.
Please include a description of what you did when the error occured.



--- BEGIN ERROR REPORT 4c9ee8c9 --------
Generated 9/9/11 1:26 PM

Minecraft: Minecraft Beta 1.7.3
OS: Windows 7 (amd64) version 6.1
Java: 1.6.0_25, Sun Microsystems Inc.
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 4800 Series            version 3.3.10834 Compatibility Profile Context, ATI Technologies Inc.

java.lang.IllegalArgumentException: Slot 116 is already occupied by null when adding eloraam.intred.BlockLogic@6d289e48
	at uu.<init>(Block.java:51)
	at rw.<init>(BlockContainer.java:16)
	at eloraam.core.BlockExtended.<init>(BlockExtended.java:16)
	at eloraam.core.BlockMultipart.<init>(BlockMultipart.java:19)
	at eloraam.core.BlockCoverable.<init>(BlockCoverable.java:14)
	at eloraam.intred.BlockLogic.<init>(BlockLogic.java:23)
	at RedPowerLogic.initialize(RedPowerLogic.java:106)
	at mod_RedPowerLogic.initialize(mod_RedPowerLogic.java:30)
	at mod_RedPowerArray.initialize(mod_RedPowerArray.java:28)
	at mod_RedPowerArray.ModsLoaded(mod_RedPowerArray.java:13)
	at ModLoader.init(ModLoader.java:819)
	at ModLoader.AddAllRenderers(ModLoader.java:183)
	at th.<init>(th.java:60)
	at th.<clinit>(th.java:9)
	at net.minecraft.client.Minecraft.a(SourceFile:318)
	at net.minecraft.client.Minecraft.run(SourceFile:716)
	at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 693b6859 ----------