Skippy12

Thanks very much guys - clearing the cache did the job - I upped the memory at the same time and I'm back in the game. Thanks loads for your time and help.

Thanks very much once again guys, I'll give both of these a go and let you know what happens. The help is greatly appreciated.

how do you do that please?

That's the message that comes up after the Mojang loading screen, when you would usually get the main game menu (Single player, Multiplayer etc)

Thanks for the suggestions guys. Still locked out at this point. I've tried the following: Changing the block ID for EnderChest or/and Rubber Tree Saplings (both are set to 241) Deleting the EnderChest block ID to reset to default Deleting technic and minecraft launchers and re-downloading fresh When I change the block ID numbers (to 251 - after checking that was open using Magister's thread above), the new crash erro info I got was as follows. Any further suggestions you can offer will be great appreciated. Cheers Minecraft has crashed! ---------------------- Minecraft has stopped running because it encountered a problem. --- BEGIN ERROR REPORT d5c6c7fe -------- Generated 27/11/12 19:36 Minecraft: Minecraft 1.2.5 OS: Windows 7 (amd64) version 6.1 Java: 1.7.0_04, Oracle Corporation VM: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation LWJGL: 2.4.2 OpenGL: GeForce GT 240M/PCI/SSE2 version 3.0.0, NVIDIA Corporation java.lang.NullPointerException 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 4d02f8d2 ----------

Thanks guys. Deleting and reinstalling does not work. Magister - I have no idea how to access the config files or what I need to do once I get there - can you explain further please?

Title: Crash after Mojang loading screen - Slot 241 already occupied by.... Version: 3.1.2 OS: Windows 7 Home Premium Java Version: Version 7 UPdate 9 Description of Problem: Whenever I start Tekkit, I login and get to the Mojang loading screen fine. BUt then, when it should change to the menu screen, instead I get a window with mod-load and error text. Vanilla Minecraft still works fine. Error Messages: Error Log: Minecraft has crashed! ---------------------- Minecraft has stopped running because it encountered a problem. --- BEGIN ERROR REPORT 1f2e317e -------- Generated 24/11/12 11:11 Minecraft: Minecraft 1.2.5 OS: Windows 7 (amd64) version 6.1 Java: 1.7.0_04, Oracle Corporation VM: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation LWJGL: 2.4.2 OpenGL: GeForce GT 240M/PCI/SSE2 version 3.0.0, NVIDIA Corporation java.lang.IllegalArgumentException: Slot 241 is already occupied by codechicken.enderstorage.BlockEnderChest@447d62ec when adding ic2.common.BlockRubSapling@3e99715 at pb.<init>(Block.java:251) 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:224) 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 df734071 ----------