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Currently supported: All versions

Minecraft forge won't work

TimTheTimeLord
in Support & Bug Reports

Featured Replies

Posted

I was using optifine but I wanted some other mods so I installed forge and it won't work well.

I have done some research but can't find anything. Here is my log:

 

[13:14:02] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

[13:14:02] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

[13:14:02] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker

[13:14:02] [main/INFO] [FML]: Forge Mod Loader version 12.18.2.2151 for Minecraft 1.10.2 loading

[13:14:02] [main/INFO] [FML]: Java is Java HotSpot 64-Bit Server VM, version 1.6.0_65, running on Mac OS X:x86_64:10.6.8, installed at /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: java.lang.UnsupportedClassVersionError: invtweaks/forge/asm/FMLPlugin : Unsupported major.minor version 52.0

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.lang.ClassLoader.defineClass1(Native Method)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.lang.ClassLoader.defineClass(ClassLoader.java:621)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.net.URLClassLoader.access$000(URLClassLoader.java:58)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.net.URLClassLoader$1.run(URLClassLoader.java:197)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.security.AccessController.doPrivileged(Native Method)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.lang.Class.forName0(Native Method)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at java.lang.Class.forName(Class.java:249)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:552)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:423)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:253)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:102)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:79)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:41)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:138)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

[13:14:03] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:configureForClientLaunch:41]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[13:14:03] [main/ERROR] [FML]: An error occurred trying to configure the minecraft home at /Users/Lena/Library/Application Support/minecraft for Forge Mod Loader

java.lang.UnsupportedClassVersionError: invtweaks/forge/asm/FMLPlugin : Unsupported major.minor version 52.0

at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.6.0_65]

at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637) ~[?:1.6.0_65]

at java.lang.ClassLoader.defineClass(ClassLoader.java:621) ~[?:1.6.0_65]

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) ~[?:1.6.0_65]

at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) ~[?:1.6.0_65]

at java.net.URLClassLoader.access$000(URLClassLoader.java:58) ~[?:1.6.0_65]

at java.net.URLClassLoader$1.run(URLClassLoader.java:197) ~[?:1.6.0_65]

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.6.0_65]

at java.net.URLClassLoader.findClass(URLClassLoader.java:190) ~[?:1.6.0_65]

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.jar:?]

at java.lang.ClassLoader.loadClass(ClassLoader.java:306) ~[?:1.6.0_65]

at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ~[?:1.6.0_65]

at java.lang.Class.forName0(Native Method) ~[?:1.6.0_65]

at java.lang.Class.forName(Class.java:249) ~[?:1.6.0_65]

at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:552) ~[forge-1.10.2-12.18.2.2151.jar:?]

at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:423) ~[forge-1.10.2-12.18.2.2151.jar:?]

at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:253) ~[forge-1.10.2-12.18.2.2151.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:102) [forge-1.10.2-12.18.2.2151.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:79) [forge-1.10.2-12.18.2.2151.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:41) [forge-1.10.2-12.18.2.2151.jar:?]

at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:138) [forge-1.10.2-12.18.2.2151.jar:?]

at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?]

at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]

Exception in thread "main"

 

 

 

Here's one when I took out inventory tweaks

---- Minecraft Crash Report ----

 

*** ATTENTION: detected classes with unsupported format ***

*** DO NOT SUBMIT THIS CRASH REPORT TO FORGE ***

 

Contact authors of the following mods:

  mercurius_updater

 

 

WARNING: coremods are present:

Contact their authors BEFORE contacting forge

 

// There are four lights!

 

Time: 11/26/16 1:14 PM

Description: There was a severe problem during mod loading that has caused the game to fail

 

net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from mercurius_updater (mercurius_updater)

Caused by: java.lang.NoClassDefFoundError: net/minecraftforge/mercurius/updater/Utils

at net.minecraftforge.mercurius.updater.MercuriusUpdaterMod.preInit(MercuriusUpdaterMod.java:37)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:600)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)

at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)

at com.google.common.eventbus.EventBus.post(EventBus.java:275)

at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:243)

at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:221)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)

at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)

at com.google.common.eventbus.EventBus.post(EventBus.java:275)

at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:145)

at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:614)

at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:257)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:439)

at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:351)

at net.minecraft.client.main.Main.main(SourceFile:124)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

Caused by: java.lang.ClassNotFoundException: net.minecraftforge.mercurius.updater.Utils

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

... 38 more

Caused by: java.lang.UnsupportedClassVersionError: net/minecraftforge/mercurius/updater/Utils : Unsupported major.minor version 52.0

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)

at java.lang.ClassLoader.defineClass(ClassLoader.java:621)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

... 40 more

 

 

A detailed walkthrough of the error, its code path and all known details is as follows:

---------------------------------------------------------------------------------------

 

-- System Details --

Details:

Minecraft Version: 1.10.2

Operating System: Mac OS X (x86_64) version 10.6.8

Java Version: 1.6.0_65, Apple Inc.

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Apple Inc.

Memory: 197518184 bytes (188 MB) / 356704256 bytes (340 MB) up to 1060372480 bytes (1011 MB)

JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

FML: MCP 9.32 Powered by Forge 12.18.2.2151 Optifine OptiFine_1.10.2_HD_U_D4 5 mods loaded, 5 mods active

States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

UCH mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)

UCH FML{8.0.99.99} [Forge Mod Loader] (forge-1.10.2-12.18.2.2151.jar)

UCH Forge{12.18.2.2151} [Minecraft Forge] (forge-1.10.2-12.18.2.2151.jar)

UCE mercurius_updater{1.0} [mercurius_updater] (MercuriusUpdater-1.10.2.jar)

UCH JEI{3.13.6.386} [Just Enough Items] (jei_1.10.2-3.13.6.386.jar)

Loaded coremods (and transformers):

OptiFine Version: OptiFine_1.10.2_HD_U_D4

Render Distance Chunks: 21

Mipmaps: 0

Anisotropic Filtering: 1

Antialiasing: 0

Multitexture: false

Shaders: null

OpenGlVersion: 2.1 NVIDIA-1.6.36

OpenGlRenderer: NVIDIA GeForce 9400M OpenGL Engine

OpenGlVendor: NVIDIA Corporation

CpuCount: 2

 

 

I launched all the mods at once so that was the order

and I am not sure which logs to add and how safe that is (they may include personal info) so I will wait for that. I believe I followed all the post rules if not please pardon me.

 

UPDATE:

Here is a log of what happens without mods:

---- Minecraft Crash Report ----

 

*** ATTENTION: detected classes with unsupported format ***

*** DO NOT SUBMIT THIS CRASH REPORT TO FORGE ***

 

Contact authors of the following mods:

  mercurius_updater

 

// I let you down. Sorry :(

 

Time: 11/26/16 1:28 PM

Description: There was a severe problem during mod loading that has caused the game to fail

 

net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from mercurius_updater (mercurius_updater)

Caused by: java.lang.NoClassDefFoundError: net/minecraftforge/mercurius/updater/Utils

at net.minecraftforge.mercurius.updater.MercuriusUpdaterMod.preInit(MercuriusUpdaterMod.java:37)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:600)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)

at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)

at com.google.common.eventbus.EventBus.post(EventBus.java:275)

at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:243)

at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:221)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)

at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)

at com.google.common.eventbus.EventBus.post(EventBus.java:275)

at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:145)

at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:614)

at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:257)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:439)

at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:351)

at net.minecraft.client.main.Main.main(SourceFile:124)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

Caused by: java.lang.ClassNotFoundException: net.minecraftforge.mercurius.updater.Utils

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

... 38 more

Caused by: java.lang.UnsupportedClassVersionError: net/minecraftforge/mercurius/updater/Utils : Unsupported major.minor version 52.0

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)

at java.lang.ClassLoader.defineClass(ClassLoader.java:621)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

... 40 more

 

 

A detailed walkthrough of the error, its code path and all known details is as follows:

---------------------------------------------------------------------------------------

 

-- System Details --

Details:

Minecraft Version: 1.10.2

Operating System: Mac OS X (x86_64) version 10.6.8

Java Version: 1.6.0_65, Apple Inc.

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Apple Inc.

Memory: 100261808 bytes (95 MB) / 335052800 bytes (319 MB) up to 1060372480 bytes (1011 MB)

JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

FML: MCP 9.32 Powered by Forge 12.18.2.2151 4 mods loaded, 4 mods active

States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

UCH mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)

UCH FML{8.0.99.99} [Forge Mod Loader] (forge-1.10.2-12.18.2.2151.jar)

UCH Forge{12.18.2.2151} [Minecraft Forge] (forge-1.10.2-12.18.2.2151.jar)

UCE mercurius_updater{1.0} [mercurius_updater] (MercuriusUpdater-1.10.2.jar)

Loaded coremods (and transformers):

 

  • Quote

    Wait, Mercurius shouldn't require java 8.. it's J6 compiled..

    What SHA do you have for the mercurius client?

    I'll look into this.

     

    Edit, Fixed, restart your client things should all be fixed. Or if this is a server re-install Forge after deleting the libaries folder.

    I do Forge for free, however the servers to run it arn't free, so anything is appreciated.
    Consider supporting the team on Patreon

  • Quote

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