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I tried to load a 1.7.10 forge and this is what happened when I clicked play:



[15:02:20] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[15:02:21] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[15:02:21] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[15:02:21] [main/INFO] [FML]: Forge Mod Loader version 7.10.85.1291 for Minecraft 1.7.10 loading
[15:02:21] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_25, running on Windows 7:amd64:6.1, installed at C:\Users\Caron\Desktop\runtime\jre-x64\1.8.0_25
[15:02:21] [main/ERROR] [FML]: Unable to read the jar file FlansMod-4.1.1.jar - ignoring
java.util.zip.ZipException: error in opening zip file
at java.util.zip.ZipFile.open(Native Method) ~[?:1.8.0_25]
at java.util.zip.ZipFile.<init>(ZipFile.java:220) ~[?:1.8.0_25]
at java.util.zip.ZipFile.<init>(ZipFile.java:150) ~[?:1.8.0_25]
at java.util.jar.JarFile.<init>(JarFile.java:166) ~[?:1.8.0_25]
at java.util.jar.JarFile.<init>(JarFile.java:130) ~[?:1.8.0_25]
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:265) [forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214) [forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126) [forge-1.7.10-10.13.2.1291.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
[15:02:21] [main/ERROR] [FML]: The coremod sanandreasp.core.manpack.ManPackLoadingPlugin is requesting minecraft version 1.6.2 and minecraft is 1.7.10. It will be ignored.
[15:02:21] [main/WARN] [FML]: The coremod shadersmodcore.loading.SMCFMLLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: java.lang.AbstractMethodError
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:459)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:346)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[15:02:21] [main/ERROR] [FML]: An error occurred trying to configure the minecraft home at C:\Users\Caron\AppData\Roaming\.minecraft for Forge Mod Loader
java.lang.AbstractMethodError
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:459) ~[forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:346) ~[forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214) ~[forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.7.10-10.13.2.1291.jar:?]
at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126) [forge-1.7.10-10.13.2.1291.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Exception in thread "main" [15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: java.lang.AbstractMethodError
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:459)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:346)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[15:02:21] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)



What does this mean? This happens whenever I want to start a forge.

Quote from goldensilver853»

[15:02:21] [main/ERROR] [FML]: The coremod sanandreasp.core.manpack.ManPackLoadingPlugin is requesting minecraft version 1.6.2 and minecraft is 1.7.10.

Get the latest version of that mod.

I do, I have the 1.7.10 version

I was able to fix it.....sorta. I had to take ALL my mods out of my mod folder and make a seperate one and paste them there. Then I took out the mods I wanted and it worked.

Keep all your mods in a list. It helps you recognize what is causing issues.