Crashing When Loading Modpacks

[DerpDays]

---- Minecraft Crash Report ----
// Why did you do that?

Time: 14/01/17 16:46
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: scala/xml/XML$
at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:739)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:311)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:552)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.NoClassDefFoundError: scala/xml/XML$
at net.machinemuse.powersuits.client.render.modelspec.ModelSpecXMLReader$.parseFile(ModelSpecXMLReader.scala:18)
at net.machinemuse.powersuits.common.ClientProxy.registerRenderers(CommonProxy.scala:68)
at net.machinemuse.powersuits.common.ModularPowersuits$.load(ModularPowersuits.scala:61)
at net.machinemuse.powersuits.common.ModularPowersuits.load(ModularPowersuits.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)

 

 

 

 

That Is The Crash Report I Cant Seem To Fiqure Out Whats Wrong With It Is There A Way To Fix It I Need To Do Work On My Server But When I Updated to Windows 10 I Formatted All My Drive So I Installed Java And Technic.

 

Any Solution? Please Reply If There Is! 

 

 

Thanks In Advance!

Edited January 15, 2017 by DerpDays

[JaariAtmc]

Could you check if there's a scala-xml_2.11 folder in %appdata%\.technic\cache\org\scala-lang\, and if there is, if it contains a scala-xml_2.11-1.0.2.jar at the end of the folders, at a size of 634 kilobytes?