Item 241 conflict in Tekkit 3.1 server

[SShadowS]

Title: Item 241 conflict in Tekkit 3.1 server

Version: 3.0.3/3.0.4

OS: Debian 3.2.0-3-amd64

Java Version: 1.7.0_05

Description of Problem:

Conflict at startup with new server files (Upgrade from 3.0.4, deleted the entire mods lib before copying)

Error Messages:

Had to remove EnderStorage to get it working.

Error Log:

2012-07-20 13:29:15 [sEVERE] java.lang.IllegalArgumentException: Slot 241 is already occupied by codechicken.enderstorage.BlockEnderChest@307dea47 when adding ic2.common.BlockRubSapling@1a9ff430

2012-07-20 13:29:15 [sEVERE] 	at net.minecraft.server.Block.<init>(Block.java:181)

2012-07-20 13:29:15 [sEVERE] 	at net.minecraft.server.BlockFlower.<init>(SourceFile:11)

2012-07-20 13:29:15 [sEVERE] 	at net.minecraft.server.BlockFlower.<init>(SourceFile:19)

2012-07-20 13:29:15 [sEVERE] 	at net.minecraft.server.BlockSapling.<init>(BlockSapling.java:18)

2012-07-20 13:29:15 [sEVERE] 	at ic2.common.BlockRubSapling.<init>(BlockRubSapling.java:14)

2012-07-20 13:29:15 [sEVERE] 	at net.minecraft.server.mod_IC2.load(mod_IC2.java:286)

2012-07-20 13:29:15 [sEVERE] 	at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:351)

2012-07-20 13:29:15 [sEVERE] 	at cpw.mods.fml.common.Loader.modInit(Loader.java:263)

2012-07-20 13:29:15 [sEVERE] 	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:618)

2012-07-20 13:29:15 [sEVERE] 	at cpw.mods.fml.server.FMLBukkitHandler.onLoadComplete(FMLBukkitHandler.java:142)

2012-07-20 13:29:15 [sEVERE] 	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:176)

2012-07-20 13:29:15 [sEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)

2012-07-20 13:29:15 [sEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

2012-07-20 13:29:15 [sEVERE] Unexpected exception

java.lang.IllegalArgumentException: Slot 241 is already occupied by codechicken.enderstorage.BlockEnderChest@307dea47 when adding ic2.common.BlockRubSapling@1a9ff430

	at net.minecraft.server.Block.<init>(Block.java:181)

	at net.minecraft.server.BlockFlower.<init>(SourceFile:11)

	at net.minecraft.server.BlockFlower.<init>(SourceFile:19)

	at net.minecraft.server.BlockSapling.<init>(BlockSapling.java:18)

	at ic2.common.BlockRubSapling.<init>(BlockRubSapling.java:14)

	at net.minecraft.server.mod_IC2.load(mod_IC2.java:286)

	at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:351)

	at cpw.mods.fml.common.Loader.modInit(Loader.java:263)

	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:618)

	at cpw.mods.fml.server.FMLBukkitHandler.onLoadComplete(FMLBukkitHandler.java:142)

	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:176)

	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)

	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

[Guest]

I got same except different slot #, tried deleting EnderStorage but to no avail.