need help

[18:44:32.252 D] System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.IO.FileNotFoundException: Could not load file or assembly 'GreyMagic.dll' or one of its dependencies. The specified module could not be found.

at Styx.StyxWoW.get_WowExited()

at Styx.Helpers.GlobalSettings.set_SeperatedLogFolder s(Boolean value)

--- End of inner exception stack trace ---

at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)

at System.Reflection.RuntimeMethodInfo.UnsafeInvokeIn ternal(Object obj, Object[] parameters, Object[] arguments)

at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)

at System.Reflection.RuntimePropertyInfo.SetValue(Obj ect obj, Object value, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)

at System.Reflection.RuntimePropertyInfo.SetValue(Obj ect obj, Object value, Object[] index)

at Styx.Helpers.Settings.InitializeDefaultValues()

at Styx.Helpers.Settings..ctor(String settingsPath, String oldSettingsPath)

at Styx.Helpers.GlobalSettings.()

at Honorbuddy.MainWindow..ctor()

[18:44:32.725 D] System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object.

at Honorbuddy.MainWindow.OnLogMessage(ReadOnlyCollect ion`1 messages)

--- End of inner exception stack trace ---

at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)

at System.Reflection.RuntimeMethodInfo.UnsafeInvokeIn ternal(Object obj, Object[] parameters, Object[] arguments)

at System.Reflection.RuntimeMethodInfo.UnsafeInvoke(O bject obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)

at System.Delegate.DynamicInvokeImpl(Object[] args)

at System.Windows.Threading.ExceptionWrapper.Internal RealCall(Delegate callback, Object args, Int32 numArgs)

at MS.Internal.Threading.ExceptionFilterHelper.TryCat chWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)

need help