Tekkit Opens Normally But when I Open IT for The Second Time I Get Error

[Dlnex]

Title: Tekkit Opens Normally But when I Open IT for The Second Time I Get Error

Version: 3.1.3

OS: Win7 64bit Home Premium

Java Version: Jre 7

Description of Problem:

It's all in the title

Error Messages:

Error Log:

41 mods loaded

Optifine OptiFine_1.2.5_HD_S_C6

Minecraft Forge 3.3.8.164

FML v2.2.106.176

Forge Mod Loader version 2.2.106.176 for Minecraft 1.2.5

	mod_CodeChickenCore : Initialized (modpack.jar)

	mod_MinecraftForge : Initialized (modpack.jar)

	mod_NotEnoughItems : Initialized (modpack.jar)

	mod_ReiMinimap : Initialized ([1.2.5]ReiMinimap_v3.2_04.zip)

	mod_IC2 : Initialized (industrialcraft-2-client_1.103.jar)

	mod_IC2AdvancedMachines : Initialized (AdvancedMachines_4.0_client.zip)

	mod_BuildCraftCore : Initialized (buildcraft-client-A-core-2.2.14.zip)

	mod_BuildCraftBuilders : Initialized (buildcraft-client-B-builders-2.2.14.zip)

	mod_BuildCraftEnergy : Initialized (buildcraft-client-B-energy-2.2.14.zip)

	mod_BuildCraftFactory : Initialized (buildcraft-client-B-factory-2.2.14.zip)

	mod_BuildCraftTransport : Initialized (buildcraft-client-B-transport-2.2.14.zip)

	mod_AdditionalPipes : Initialized (buildcraft-client-DA-additionalpipes-2.1.3.zip)

	mod_ComputerCraft : Initialized (ComputerCraft1.41.zip)

	mod_RedPowerMachine : Initialized (RedPowerMachine-2.0pr5b2.zip)

	mod_ccSensors : Initialized (ccSensors-client-MC125-B017pr1.zip)

	mod_CCTurtle : Initialized (ComputerCraft1.41.zip)

	mod_EE : Initialized (EE2ClientV1.4.6.5.jar)

	mod_EnderStorage : Initialized (EnderStorage-Client 1.1.3.zip)

	mod_IC2NuclearControl : Initialized (IC2NuclearControl_client_v1.1.10b.zip)

	mod_ImmibisCore : Initialized (immibis-core_49.1.1_for_1.2.5-client.jar)

	mod_InvTweaks : Initialized (InvTweaks-1.41b-1.2.4.zip)

	mod_MAtmos_forModLoader : Initialized (MAtmos_packaged.zip)

	mod_ModularForceFieldSystem : Initialized (mffs_rev7_for_1.2.5-client.zip)

	mod_IC2_ChargingBench : Initialized (mod_chargingbench-client-1.95b-1.2.5-r1.zip)

	mod_CompactSolars : Initialized (mod_compactsolars-client-2.3.2.10.zip)

	mod_IronChest : Initialized (mod_ironchests-client-3.8.0.40.zip)

	mod_RedPowerCore : Initialized (RedPowerCore-2.0pr5b2.zip)

	mod_NetherOres : Initialized (NetherOres_Client_1.2.1.zip)

	mod_PowerConverters : Initialized (PowerConverters_Client_1.3.4.zip)

	mod_Railcraft : Initialized (Railcraft_Client_5.4.7b.zip)

	mod_RedPowerControl : Initialized (RedPowerControl-2.0pr5b2.zip)

	mod_RedPowerLighting : Initialized (RedPowerLighting-2.0pr5b2.zip)

	mod_RedPowerLogic : Initialized (RedPowerLogic-2.0pr5b2.zip)

	mod_RedPowerWiring : Initialized (RedPowerWiring-2.0pr5b2.zip)

	mod_RedPowerWorld : Initialized (RedPowerWorld-2.0pr5b2.zip)

	mod_TubeStuff : Initialized (tubestuff_49.1.2_for_1.2.5-client.jar)

	Balkon's WeaponMod : Initialized (WeaponMod.zip)

	mod_WirelessRedstoneCore : Initialized (WR-CBE Core-Client 1.2.2.3.zip)

	mod_WirelessRedstoneAddons : Initialized (WR-CBE Addons-Client 1.2.2.3.zip)

	mod_WirelessRedstoneRedPower : Initialized (WR-CBE RedPower-Client 1.2.2.1.zip)

	mod_ImmiChunkLoaders : Pre-initialized (zdimensional-anchor_rev3.2_for_1.2.5-client.jar)





      Minecraft has crashed!      

      ----------------------      



Minecraft has stopped running because it encountered a problem.









--- BEGIN ERROR REPORT 750666d8 --------

Generated 30.12.2012 16:14



Minecraft: Minecraft 1.2.5

OS: Windows 7 (amd64) version 6.1

Java: 1.7.0_10, Oracle Corporation

VM: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

LWJGL: 2.4.2

OpenGL: Intel® HD Graphics 4000 version 3.3.0 - Build 8.15.10.2696, Intel



java.lang.IllegalArgumentException: Slot 4095 is already occupied by railcraft.common.tracks.BlockRailElevator@31ff9c27 when adding immibis.chunkloader.BlockChunkLoader@464de16

	at pb.<init>(Block.java:251)

	at agy.<init>(BlockContainer.java:7)

	at immibis.core.BlockCombined.<init>(BlockCombined.java:35)

	at immibis.chunkloader.BlockChunkLoader.<init>(BlockChunkLoader.java:12)

	at immibis.chunkloader.Main$1.registerBlock(Main.java:107)

	at immibis.core.CoreProxy.RegisterBlockID(CoreProxy.java:31)

	at immibis.chunkloader.Main.load(Main.java:104)

	at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:356)

	at cpw.mods.fml.common.Loader.modInit(Loader.java:273)

	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:628)

	at cpw.mods.fml.client.FMLClientHandler.onLoadComplete(FMLClientHandler.java:223)

	at net.minecraft.client.Minecraft.a(Minecraft.java:429)

	at net.minecraft.client.Minecraft.run(Minecraft.java:738)

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

--- END ERROR REPORT 6fdbed97 ----------

[waflija]

Slot 4095 is already occupied by railcraft.common.tracks.BlockRailElevator@31ff9c27 when adding immibis.chunkloader.BlockChunkLoader@464de16

Did you alter the config? It seems there is some bug in the configs... Maybe re-downloading tekkit could fix this.