[14:45:08] [main/DEBUG] [FML/]: Running coremod plugin for CorePlugin {mrtjp.core.handler.CorePlugin}
[14:45:08] [main/DEBUG] [FML/]: Running coremod plugin CorePlugin
[14:45:08] [main/ERROR] [LaunchWrapper/]: Unable to launch
java.lang.RuntimeException: java.lang.ClassNotFoundException:
at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:130) ~[forge-1.7.10-10.13.2.1235-universal.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_67]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_67]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_67]
at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_67]
at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:286) [NewLaunch.jar:?]
at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:376) [NewLaunch.jar:?]
at org.multimc.EntryPoint.listen(EntryPoint.java:165) [NewLaunch.jar:?]
at org.multimc.EntryPoint.main(EntryPoint.java:54) [NewLaunch.jar:?]
Caused by: java.lang.ClassNotFoundException:
at java.lang.Class.forName0(Native Method) ~[?:1.7.0_67]
at java.lang.Class.forName(Class.java:270) ~[?:1.7.0_67]
at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:118) ~[forge-1.7.10-10.13.2.1235-universal.jar:?]
... 10 more

Was fixed by #1

so is there any build that i can use now?

Doesn't appear to be on the Downloads Page
@MrTJP Will need to start a new build

well, i think that is the problem, when i add rp, the code chicken libs that core one automatically, i think the repo don't have the latest build in it