This error occurs after installing flan's mod loader. Am I missing a step that is not in your wiki?
You are using the wrong MLMP. You have to use SDK's MLMPv3
That didn't work. Now instead of showing the error in minecraft, it black screens right after mojang logo. I ran a tester and it came up with
===Simple Minecraft Error Test===
Starting Minecraft...
Exception in thread "main" java.lang.NoClassDefFoundError: net/minecraft/client/
Minecraft
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class: net.minecraft.client.Minecraft. Program will exi
t.
Finished session
Use this report tool.
https://github.com/downloads/m…craftError/MCErrorV25.jar
If you get the same error, your archiver may have corrupted the jar, use 7-zip or winrar.
This is the error I got from running mcverror, I was using 7zip, and this time I tried winrar. Should I clear out mine craft and reinstall it. Just backup my saved maps?
Checking for Minecraft launcher (minecrafterr.jar) in C:\Users\Tyler\AppData\Roaming\.minecraft\minecrafterr.jar
Minecraft launcher found!
Starting launcher...
27 achievements
182 recipes
Exception in thread "Minecraft main thread" java.lang.VerifyError: (class: qz, method: a signature: (Ladg;DDDFF)V) Incompatible argument to function
at ahu.<init>(ahu.java:41)
at ahu.<clinit>(ahu.java:9)
at net.minecraft.client.Minecraft.a(Minecraft.java:395)
at net.minecraft.client.Minecraft.run(Minecraft.java:732)
at java.lang.Thread.run(Unknown Source)
Error report complete.
Well that one was easy.
You installed mods with a minecraft version different than the one you're using.
