Nantangitan

Title: SMP Crash: IronChests causing Class Cast Exception Version: 3.1.2 OS: Win7 Ultimate x64 Java Version: J6u34 Description of Problem: Tekkit will randomly crash in multiplayer with the error log reporting an issue casing BlockIronChest to type sn Error Messages: None, screen turns white. Error Log: [18:21:08] [sEVERE] java.lang.ClassCastException: cpw.mods.ironchest.BlockIronChest cannot be cast to sn [18:21:08] [sEVERE] at ajq.a(SourceFile:32) [18:21:08] [sEVERE] at ajq.a(SourceFile:17) [18:21:08] [sEVERE] at ach.a(TileEntityRenderer.java:147) [18:21:08] [sEVERE] at ach.a(TileEntityRenderer.java:134) [18:21:08] [sEVERE] at l.a(RenderGlobal.java:467) [18:21:08] [sEVERE] at lr.a(EntityRenderer.java:1351) [18:21:08] [sEVERE] at lr.b(EntityRenderer.java:1052) [18:21:08] [sEVERE] at net.minecraft.client.Minecraft.x(Minecraft.java:876) [18:21:08] [sEVERE] at net.minecraft.client.Minecraft.run(Minecraft.java:753) [18:21:08] [sEVERE] at java.lang.Thread.run(Unknown Source) [18:21:18] [sEVERE] 2012-09-05 18:21:18 [sEVERE] A critical error has occurred. java.lang.ClassCastException: cpw.mods.ironchest.BlockIronChest cannot be cast to sn at ajq.a(SourceFile:32) at ajq.a(SourceFile:17) at ach.a(TileEntityRenderer.java:147) at ach.a(TileEntityRenderer.java:134) at l.a(RenderGlobal.java:467) at lr.a(EntityRenderer.java:1351) at lr.b(EntityRenderer.java:1052) at net.minecraft.client.Minecraft.x(Minecraft.java:876) at net.minecraft.client.Minecraft.run(Minecraft.java:753) at java.lang.Thread.run(Unknown Source) [18:21:18] [sEVERE] 2012-09-05 18:21:18 [sEVERE] 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 : Available (modpack.jar) mod_MinecraftForge : Available (modpack.jar) mod_NotEnoughItems : Available (modpack.jar) mod_ReiMinimap : Available ([1.2.5]ReiMinimap_v3.2_04.zip) mod_IC2 : Available (industrialcraft-2-client_1.97.jar) mod_IC2AdvancedMachines : Available (AdvancedMachines_4.0_client.zip) mod_BuildCraftCore : Available (buildcraft-client-A-core-2.2.14.zip) mod_BuildCraftBuilders : Available (buildcraft-client-B-builders-2.2.14.zip) mod_BuildCraftEnergy : Available (buildcraft-client-B-energy-2.2.14.zip) mod_BuildCraftFactory : Available (buildcraft-client-B-factory-2.2.14.zip) mod_BuildCraftTransport : Available (buildcraft-client-B-transport-2.2.14.zip) mod_AdditionalPipes : Available (buildcraft-client-DA-additionalpipes-2.1.3.zip) mod_ComputerCraft : Available (ComputerCraft) mod_RedPowerMachine : Available (RedPowerMachine-2.0pr5b2.zip) mod_ccSensors : Available (ccSensors-client-MC125-B017pr1.zip) mod_CCTurtle : Available (ComputerCraft) mod_EE : Available (EE2ClientV1.4.6.5.jar) mod_EnderStorage : Available (EnderStorage-Client 1.1.3.zip) mod_IC2NuclearControl : Available (IC2NuclearControl_client_v1.1.10b.zip) mod_ImmibisCore : Available (immibis-core_49.1.1_for_1.2.5-client.jar) mod_InvTweaks : Available (InvTweaks-1.41b-1.2.4.zip) mod_MAtmos_forModLoader : Available (MAtmos_packaged.zip) mod_ModularForceFieldSystem : Available (mffs_rev7_for_1.2.5-client.zip) mod_IC2_ChargingBench : Available (mod_chargingbench-client-1.95b-1.2.5-r1.zip) mod_CompactSolars : Available (mod_compactsolars-client-2.3.2.10.zip) mod_IronChest : Available (mod_ironchests-client-3.8.0.40.zip) mod_RedPowerCore : Available (RedPowerCore-2.0pr5b2.zip) mod_NetherOres : Available (NetherOres_Client_1.2.1.zip) mod_PowerConverters : Available (PowerConverters_Client_1.3.4.zip) mod_Railcraft : Available (Railcraft_Client_5.3.3.zip) mod_RedPowerControl : Available (RedPowerControl-2.0pr5b2.zip) mod_RedPowerLighting : Available (RedPowerLighting-2.0pr5b2.zip) mod_RedPowerLogic : Available (RedPowerLogic-2.0pr5b2.zip) mod_RedPowerWiring : Available (RedPowerWiring-2.0pr5b2.zip) mod_RedPowerWorld : Available (RedPowerWorld-2.0pr5b2.zip) mod_TubeStuff : Available (tubestuff_49.1.2_for_1.2.5-client.jar) Balkon's WeaponMod : Available (WeaponMod.zip) mod_WirelessRedstoneCore : Available (WR-CBE Core-Client 1.2.2.3.zip) mod_WirelessRedstoneAddons : Available (WR-CBE Addons-Client 1.2.2.3.zip) mod_WirelessRedstoneRedPower : Available (WR-CBE RedPower-Client 1.2.2.1.zip) mod_ImmiChunkLoaders : Available (zdimensional-anchor_rev3.2_for_1.2.5-client.jar)