Help!
--- BEGIN ERROR REPORT 66e6d6e --------
Generated 2/7/12 8:21 AM
Minecraft: Minecraft 1.1
OS: Windows 7 (amd64) version 6.1
Java: 1.7.0_02, Oracle Corporation
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: GeForce GTX 570/PCIe/SSE2 version 4.2.0, NVIDIA Corporation
java.lang.IllegalArgumentException: Slot 189 is already occupied by ic2.advancedmachines.BlockSolarArray@5efabb19 when adding buildcraft.zeldo.ChunkLoader.BlockChunkLoader@1f119706
at oe.<init>(Block.java:176)
at oe.<init>(Block.java:204)
at aew.<init>(BlockContainer.java:13)
at buildcraft.zeldo.ChunkLoader.BlockChunkLoader.<init>(BlockChunkLoader.java:18)
at mod_zAdditionalPipes.ModsLoaded(mod_zAdditionalPipes.java:391)
at ModLoader.init(ModLoader.java:832)
at ModLoader.AddAllRenderers(ModLoader.java:189)
at afq.<init>(afq.java:80)
at afq.<clinit>(afq.java:9)
at net.minecraft.client.Minecraft.a(SourceFile:265)
at net.minecraft.client.Minecraft.run(SourceFile:648)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 3af8ca2c ----------