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    posted a message on When I try to launch any modpack on Twitch it crashes?! HELP!!

    Hey, 

    This is my first ever thread so sorry in advance. 

     

    I been having problems when it comes to launching any moddepack from the Mincraft luncher.

    And im playing on the 1.12.2 Minecraft-version and are using Forge version 14.23.5.2847

    I have tried to run with other versions of forge and i have reinstalled both mincraft and twitch and deleted all files belonging to them

    just to be sure.

     

    -The crash log that looks like this:

     

    14:49:17.253
    Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
    14:49:17.406
    Successfully loaded configuration file.
    14:49:17.423
    Successfully saved configuration file.
    14:49:17.498
    Registering transformer net.minecraftforge.fml.common.asm.transformers.EventSubscriptionTransformer
    14:49:17.506
    Registering transformer net.minecraftforge.fml.common.asm.transformers.EventSubscriberTransformer
    14:49:17.510
    Registering transformer net.minecraftforge.fml.common.asm.transformers.SoundEngineFixTransformer
    14:49:18.189
    Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty.
    14:49:18.189
    Unable to launch java.lang.RuntimeException: java.lang.RuntimeException: Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty, your vanilla jar may be corrupt. at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:169) at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.RuntimeException: Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty, your vanilla jar may be corrupt. at net.minecraftforge.fml.common.patcher.ClassPatchManager.applyPatch(ClassPatchManager.java:114) at net.minecraftforge.fml.common.patcher.ClassPatchManager.getPatchedResource(ClassPatchManager.java:77) at net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.getFieldType(FMLDeobfuscatingRemapper.java:219) at net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.parseField(FMLDeobfuscatingRemapper.java:192) at net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.setup(FMLDeobfuscatingRemapper.java:161) at net.minecraftforge.fml.common.asm.FMLSanityChecker.injectData(FMLSanityChecker.java:187) at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:164) ... 2 more
    14:49:18.193
    [java.lang.ThreadGroup:uncaughtException:1052]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
    14:49:18.193
    [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)
    14:49:18.193
    [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.SecurityManager.checkExit(SecurityManager.java:761)
    14:49:18.193
    [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Runtime.exit(Runtime.java:107)
    14:49:18.193
    [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.System.exit(System.java:971)
    14:49:18.193
    [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
    14:49:18.193
    [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
    14:49:18.233
    Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=256m; support was removed in 8.0
    14:49:18.233
    Process crashed with exit code 1
    Please if you have any idea how to fix this please contact me.
    Posted in: Modpacks
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