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    posted a message on What does this error mean?

    So I was creating a modded server yet I got this error

     

    [02:43:20] [main/DEBUG] [FML/]: Injecting tracing printstreams for STDOUT/STDERR.
    [02:43:20] [main/INFO] [FML/]: Forge Mod Loader version 12.18.1.2073 for Minecraft 1.10.2 loading
    [02:43:20] [main/INFO] [FML/]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_101, running on Windows 10:amd64:10.0, installed at C:\Program Files\Java\jre1.8.0_101
    [02:43:20] [main/DEBUG] [FML/]: Java classpath at launch is C:\Users\user\Desktop\Modsplosion2(1.7.10)\forge-1.10.2-12.18.1.2073-universal.jar
    [02:43:20] [main/DEBUG] [FML/]: Java library path at launch is C:\Program Files\Java\jre1.8.0_101\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Windows Live\Shared;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Skype\Phone\;.
    [02:43:20] [main/DEBUG] [FML/]: Enabling runtime deobfuscation
    [02:43:20] [main/DEBUG] [FML/]: Instantiating coremod class FMLCorePlugin
    [02:43:20] [main/DEBUG] [FML/]: Added access transformer class net.minecraftforge.fml.common.asm.transformers.AccessTransformer to enqueued access transformers
    [02:43:20] [main/DEBUG] [FML/]: Enqueued coremod FMLCorePlugin
    [02:43:20] [main/DEBUG] [FML/]: Instantiating coremod class FMLForgePlugin
    [02:43:20] [main/DEBUG] [FML/]: Enqueued coremod FMLForgePlugin
    [02:43:20] [main/DEBUG] [FML/]: All fundamental core mods are successfully located
    [02:43:20] [main/DEBUG] [FML/]: Attempting to load commandline specified mods, relative to C:\Users\user\Desktop\Modsplosion2(1.7.10)\.
    [02:43:20] [main/DEBUG] [FML/]: Discovering coremods
    [02:43:20] [main/DEBUG] [FML/]: Examining for coremod candidacy 1.7.10-MB_Battlegear2-Bullseye-1.0.8.3.jar
    [02:43:20] [main/TRACE] [FML/]: Found FMLCorePluginContainsFMLMod marker in 1.7.10-MB_Battlegear2-Bullseye-1.0.8.3.jar, it will be examined later for regular @Mod instances
    [02:43:20] [main/DEBUG] [FML/]: Instantiating coremod class BattlegearLoadingPlugin
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.ClassLoader.defineClass1(Native Method)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.ClassLoader.defineClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.security.SecureClassLoader.defineClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader.defineClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader.access$100(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader$1.run(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader$1.run(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.security.AccessController.doPrivileged(Native Method)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader.findClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.ClassLoader.loadClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.ClassLoader.loadClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.Class.forName0(Native Method)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.Class.forName(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:552)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:423)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:253)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:102)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupServer(FMLLaunchHandler.java:86)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForServerLaunch(FMLLaunchHandler.java:46)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.common.launcher.FMLServerTweaker.injectIntoClassLoader(FMLServerTweaker.java:62)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.reflect.Method.invoke(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:62)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:31)
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: ... 29 more
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: Caused by: java.lang.NullPointerException
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: ... 31 more
    [02:43:20] [main/ERROR] [FML/]: An error occurred trying to configure the minecraft home at C:\Users\user\Desktop\Modsplosion2(1.7.10)\. for Forge Mod Loader
    java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin
    at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_101]
    at java.lang.ClassLoader.defineClass(Unknown Source) ~[?:1.8.0_101]
    at java.security.SecureClassLoader.defineClass(Unknown Source) ~[?:1.8.0_101]
    at java.net.URLClassLoader.defineClass(Unknown Source) ~[?:1.8.0_101]
    at java.net.URLClassLoader.access$100(Unknown Source) ~[?:1.8.0_101]
    at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_101]
    at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_101]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_101]
    at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_101]
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.jar:?]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101]
    at java.lang.Class.forName0(Native Method) ~[?:1.8.0_101]
    at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_101]
    at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:552) ~[forge-1.10.2-12.18.1.2073-universal.jar:?]
    at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:423) ~[forge-1.10.2-12.18.1.2073-universal.jar:?]
    at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:253) ~[forge-1.10.2-12.18.1.2073-universal.jar:?]
    at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:102) [forge-1.10.2-12.18.1.2073-universal.jar:?]
    at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupServer(FMLLaunchHandler.java:86) [forge-1.10.2-12.18.1.2073-universal.jar:?]
    at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForServerLaunch(FMLLaunchHandler.java:46) [forge-1.10.2-12.18.1.2073-universal.jar:?]
    at net.minecraftforge.fml.common.launcher.FMLServerTweaker.injectIntoClassLoader(FMLServerTweaker.java:62) [forge-1.10.2-12.18.1.2073-universal.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:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_101]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_101]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_101]
    at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:62) [forge-1.10.2-12.18.1.2073-universal.jar:?]
    at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:31) [forge-1.10.2-12.18.1.2073-universal.jar:?]
    Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101]
    ... 29 more
    Caused by: java.lang.NullPointerException
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101]
    ... 29 more
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:main:31]: java.lang.reflect.InvocationTargetException
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:main:31]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:main:31]: at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:main:31]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:main:31]: at java.lang.reflect.Method.invoke(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:main:31]: at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:62)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:main:31]: at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:31)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: Caused by: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.lang.ClassLoader.defineClass1(Native Method)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.lang.ClassLoader.defineClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.security.SecureClassLoader.defineClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.net.URLClassLoader.defineClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.net.URLClassLoader.access$100(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.net.URLClassLoader$1.run(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.net.URLClassLoader$1.run(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.security.AccessController.doPrivileged(Native Method)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.net.URLClassLoader.findClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.lang.ClassLoader.loadClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.lang.ClassLoader.loadClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.lang.Class.forName0(Native Method)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at java.lang.Class.forName(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:552)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:423)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:253)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:102)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupServer(FMLLaunchHandler.java:86)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForServerLaunch(FMLLaunchHandler.java:46)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraftforge.fml.common.launcher.FMLServerTweaker.injectIntoClassLoader(FMLServerTweaker.java:62)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
    [02:43:20] [main/INFO] [STDERR/]: [net.minecraftforge.fml.relauncher.ServerLaunchWrapper:run:67]: ... 6 more
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: ... 29 more
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: Caused by: java.lang.NullPointerException
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
    [02:43:20] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:-1]: ... 31 more

     

    Mostly this error

     

    java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

     

    Please help if you know the answer

    Posted in: Non-CurseForge Modpacks
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