frost mod manger and nfs unbound

[xtxoverki11]

every time i go to launch frost mod manager and pick nsf unbound it says 

 

Value cannot be null.
Parameter name: key

   at System.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
   at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
   at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
   at Frosty.Core.Config.get_Item(String option, ConfigScope scope, String profile)
   at Frosty.Core.Config.Get[T](String option, T defaultValue, ConfigScope scope, String profile)
   at FrostyModManager.Windows.SplashWindow.<Window_Loaded>d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

 

any fix's?

Edited June 22 by xtxoverki11