Minecraft Forums

I was making an adventure map when I decided to download some mods for a better experience. I decided I wanted to download these mods.

http://www.minecraftforum.net/topic/562836-125-sp-turret-mod-v-20-02/#1 - Turret Mod

http://www.minecraftforum.net/topic/1286614-125-advancedmobs-19-making-mobs-more-realistic-and-hard/ - Advanced Mobs Mod

http://www.planetminecraft.com/mod/craftable-mob-spawners-103710/ - Craftable Spawner Mod

However I noticed that for most of these mods, I need to have a mod called ModLoader. So I went and attempted to download ModLoader. Then I attempted to downlaod Turret Mod. It seemed like I did everything to the manual, so I went to play Minecraft. But It crashed. This is the file of the crash.

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---- Minecraft Crash Report ----
// My bad.

Time: 8/17/12 7:15 PM
Description: Exception occured in ModLoader

java.lang.VerifyError: (class: TMIUtils, method: fastTransfer signature: (IILdb;)V) Incompatible argument to function
at mod_TooManyItems.<init>(mod_TooManyItems.java:16)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at ModLoader.addMod(ModLoader.java:327)
at ModLoader.readFromClassPath(ModLoader.java:1317)
at ModLoader.init(ModLoader.java:915)
at ModLoader.addAllRenderers(ModLoader.java:169)
at avx.<init>(RenderManager.java:86)
at avx.<clinit>(RenderManager.java:12)
at net.minecraft.client.Minecraft.a(SourceFile:260)
at net.minecraft.client.Minecraft.run(SourceFile:516)
at java.lang.Thread.run(Unknown Source)

Relevant Details:
- Minecraft Version: 1.3.1
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.6.0_17, Sun Microsystems Inc.
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
- Memory: 416400824 bytes (397 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
- JVM Flags: 2 total; -Xms512m -Xmx1024m
- ModLoader: Mods loaded: 1
ModLoader 1.3.1

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Can someone help? I don't want to buy or download Minecraft all over again.

Modloader isn't even updated to 1.3.2 yet. All you need to do to fix this is to:
1. Open the Minecraft Launcher.
2. Click options
3. Click the force update button. If it says "Will force!" then proceed to step four.
4.Close the options menu and hit Login once you have entered you username and password.

Minecraft will then repatch and be back to normal!

EDIT: Upon further examination of this post and looking at the ModLoader post Modloader does not work very well with 1.3.1, however. the steps I gave previously are still valid. Just follow those steps and you will be fine.

The crash is actually occuring with TooManyItems... which you didn't even mention.

Everything has to match version wise or it's going to crash.

Thanks guys. Both of you helped. It's able to work now.