Slot 241 is occupied by EnderChest when adding Rubber Tree Sapling

[Alex311360]

Title: Slot 241 is occupied by EnderChest when adding Rubber Tree Sapling

Version: 3.0.3/3.0.4

OS: Windows 7 (amd64) version 6.1

Java Version: 1.7.0_04, Oracle Corporation

Description of Problem:

See log for details, basicly a block is preventing a block from being added

Error Messages:

none besides log

Error Log:

java.lang.IllegalArgumentException: Slot 241 is already occupied by codechicken.enderstorage.BlockEnderChest@778e093d when adding ic2.common.BlockRubSapling@e00c11d

	at pb.<init>(Block.java:249)

	at qk.<init>(SourceFile:11)

	at qk.<init>(SourceFile:19)

	at zc.<init>(SourceFile:19)

	at ic2.common.BlockRubSapling.<init>(BlockRubSapling.java:24)

	at mod_IC2.load(mod_IC2.java:172)

	at ModLoader.init(ModLoader.java:891)

	at ModLoader.addAllRenderers(ModLoader.java:189)

	at ahu.<init>(RenderManager.java:86)

	at ahu.<clinit>(RenderManager.java:14)

	at net.minecraft.client.Minecraft.a(Minecraft.java:394)

	at net.minecraft.client.Minecraft.run(Minecraft.java:732)

	at java.lang.Thread.run(Unknown Source)

--- END ERROR REPORT aeb93c07 ----------

[Giro1221]

Its a simple fix, go into AppData\Roaming\.techniclauncher\tekkit\config and go into either the IC2 or Ender Storage config and change the ID of one of the conflicting blocks. The problem should go away after that.