MultiMC version: 0.7.0-4246


Launched instance in online mode

sessionserver.mojang.com resolves to:
    [150.171.109.20]

textures.minecraft.net resolves to:
    [150.171.109.20]

api.minecraftservices.com resolves to:
    [150.171.109.20]


Minecraft folder is:
/Applications/MultiMC.app/Data/instances/1.6.4/.minecraft


Java path is:
/usr/bin/java


Checking Java version...
Java is version 1.8.0_471, using aarch64 architecture, from Oracle Corporation.


Your Java architecture is not matching your system architecture. You might want to use a different Java version.


Main Class:
  net.minecraft.launchwrapper.Launch

Native path:
  /Applications/MultiMC.app/Data/instances/1.6.4/natives

Libraries:
  /Applications/MultiMC.app/Data/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar
  /Applications/MultiMC.app/Data/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar
  /Applications/MultiMC.app/Data/libraries/org/lwjgl/lwjgl/lwjgl/2.9.4-nightly-20150209/lwjgl-2.9.4-nightly-20150209.jar
  /Applications/MultiMC.app/Data/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.4-nightly-20150209/lwjgl_util-2.9.4-nightly-20150209.jar
  /Applications/MultiMC.app/Data/libraries/net/sf/jopt-simple/jopt-simple/4.5/jopt-simple-4.5.jar
  /Applications/MultiMC.app/Data/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar
  /Applications/MultiMC.app/Data/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar
  /Applications/MultiMC.app/Data/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar
  /Applications/MultiMC.app/Data/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar
  /Applications/MultiMC.app/Data/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar
  /Applications/MultiMC.app/Data/libraries/argo/argo/2.25_fixed/argo-2.25_fixed.jar
  /Applications/MultiMC.app/Data/libraries/org/bouncycastle/bcprov-jdk15on/1.47/bcprov-jdk15on-1.47.jar
  /Applications/MultiMC.app/Data/libraries/com/google/guava/guava/14.0/guava-14.0.jar
  /Applications/MultiMC.app/Data/libraries/org/apache/commons/commons-lang3/3.1/commons-lang3-3.1.jar
  /Applications/MultiMC.app/Data/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar
  /Applications/MultiMC.app/Data/libraries/com/google/code/gson/gson/2.2.2/gson-2.2.2.jar
  /Applications/MultiMC.app/Data/libraries/net/minecraftforge/forge/1.6.4-9.11.1.953/forge-1.6.4-9.11.1.953-universal.jar
  /Applications/MultiMC.app/Data/libraries/net/minecraft/launchwrapper/1.8/launchwrapper-1.8.jar
  /Applications/MultiMC.app/Data/libraries/org/ow2/asm/asm-all/4.1/asm-all-4.1.jar
  /Applications/MultiMC.app/Data/libraries/org/scala-lang/scala-library/2.10.2/scala-library-2.10.2.jar
  /Applications/MultiMC.app/Data/libraries/org/scala-lang/scala-compiler/2.10.2/scala-compiler-2.10.2.jar
  /Applications/MultiMC.app/Data/libraries/lzma/lzma/0.0.1/lzma-0.0.1.jar
  /Applications/MultiMC.app/Data/libraries/com/mojang/minecraft/1.6.4/minecraft-1.6.4-client.jar

Native libraries:
  /Applications/MultiMC.app/Data/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-osx.jar
  /Applications/MultiMC.app/Data/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.4-nightly-20150209/lwjgl-platform-2.9.4-nightly-20150209-natives-osx.jar

Params:
  --username Albie92 --session token:<ACCESS TOKEN>:<PROFILE ID> --version 1.6.4 --gameDir /Applications/MultiMC.app/Data/instances/1.6.4/.minecraft --assetsDir /Applications/MultiMC.app/Data/assets/virtual/legacy --tweakClass cpw.mods.fml.common.launcher.FMLTweaker

Window size: 854 x 480

Java Arguments:
[-Xdock:icon=icon.png, -Xdock:name="MultiMC: 1.6.4", -Xms128m, -Xmx8192m, -Duser.language=en]


Minecraft process ID: 67904


Using onesix launcher.

Dec 24, 2025 6:25:22 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
Dec 24, 2025 6:25:22 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
Dec 24, 2025 6:25:22 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
2025-12-24 18:25:23 [INFO] [ForgeModLoader] Forge Mod Loader version 6.4.45.953 for Minecraft 1.6.4 loading
2025-12-24 18:25:23 [INFO] [ForgeModLoader] Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_471, running on Mac OS X:aarch64:15.6.1, installed at /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home
2025-12-24 18:25:23 [INFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2025-12-24 18:25:23 [INFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
2025-12-24 18:25:23 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2025-12-24 18:25:23 [SEVERE] [ForgeModLoader] Unable to launch
java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:911)
	at java.util.ArrayList$Itr.remove(ArrayList.java:875)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:243)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:278)
	at org.multimc.EntryPoint.listen(EntryPoint.java:143)
	at org.multimc.EntryPoint.main(EntryPoint.java:34)
Process exited with exit code 0 (0x0).
Please note that usually neither the exit code, nor its description are enough to diagnose issues!
Always upload the entire log and not just the exit code.
MultiMC: Log upload triggered at: 24 Dec 2025 18:25:31 +0800