problem in submitting assets pack on unity 4.3.2 f1

hi gays, i have problem on submitting my project when click submit button on asset store manager window, submit package window appear with black and throws exception as below:

 NullReferenceException: Object reference not set to an instance of an object
 GUIUtil.get_Logo ()
 SubmitDialog.OnGUI ()
 System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/monoAndRuntimeClassLibs/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:222)
 Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
 System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/monoAndRuntimeClassLibs/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:232)
 System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at /Users/builduser/buildslave/monoAndRuntimeClassLibs/build/mcs/class/corlib/System.Reflection/MethodBase.cs:115)
 UnityEditor.HostView.Invoke (System.String methodName, System.Object obj) (at C:/BuildAgent/work/d3d49558e4d408f4/Editor/Mono/GUI/DockArea.cs:231)
 UnityEditor.HostView.Invoke (System.String methodName) (at C:/BuildAgent/work/d3d49558e4d408f4/Editor/Mono/GUI/DockArea.cs:224)
 UnityEditor.HostView.OnGUI () (at C:/BuildAgent/work/d3d49558e4d408f4/Editor/Mono/GUI/DockArea.cs:120)

i can't understand it and i'm new to unity, i saw a video and i try this but this error repeating until i close the submit package window. i don't know what to do and i am trying to submit complete project to asset store plz help. sorry for bad english and thanks in advance.