Trying to make new modpack by self Pls Help

So i tried to create my own modpack with another one with all of my favorite mods but when i tried to play it i clicked play than it said that there was a error but it didn't tell me what it was pls helps meh so i can play.

I went to the logs to see if any of you can figure this out i tried out a lot of stuff but nothing worked

[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]: Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.relauncher.IFMLLoadingPlugin
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     ... 23 more
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]: Caused by: java.lang.NullPointerException
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     ... 25 more
[17:27:27] [main/ERROR]: An error occurred trying to configure the minecraft home at C:\Instances\The Golden Cobblestone for Forge Mod Loader
java.lang.NoClassDefFoundError: net/minecraftforge/fml/relauncher/IFMLLoadingPlugin
    at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_51]
    at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_51]
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_51]
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[?:1.8.0_51]
    at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[?:1.8.0_51]
    at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[?:1.8.0_51]
    at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[?:1.8.0_51]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_51]
    at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[?:1.8.0_51]
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.jar:?]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]
    at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51]
    at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51]
    at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:460) ~[forge-1.7.10-10.13.4.1614-1.7.10.jar:?]
    at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:389) ~[forge-1.7.10-10.13.4.1614-1.7.10.jar:?]
    at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:221) ~[forge-1.7.10-10.13.4.1614-1.7.10.jar:?]
    at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.7.10-10.13.4.1614-1.7.10.jar:?]
    at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.7.10-10.13.4.1614-1.7.10.jar:?]
    at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.7.10-10.13.4.1614-1.7.10.jar:?]
    at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126) [forge-1.7.10-10.13.4.1614-1.7.10.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:?]
Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.relauncher.IFMLLoadingPlugin
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]
    ... 23 more
Caused by: java.lang.NullPointerException
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]
    ... 23 more
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]: java.lang.NoClassDefFoundError: net/minecraftforge/fml/relauncher/IFMLLoadingPlugin
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.ClassLoader.defineClass1(Native Method)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.security.AccessController.doPrivileged(Native Method)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.Class.forName0(Native Method)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.Class.forName(Class.java:348)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:460)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:389)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:221)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]: Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.relauncher.IFMLLoadingPlugin
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     ... 23 more
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]: Caused by: java.lang.NullPointerException
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
[17:27:27] [main/INFO]: [java.lang.Throwable$WrappedPrintStream:println:748]:     ... 25 more
 

Good Luck! And pls figure out.