I am getting the following error in my application (that was previously working fine) even though monotouch is referenced. I have removed and re-added the reference to this exact assembly multiple times.
Error CS0012: The type
MonoTouch.UIKit.UIImagePickerController' is defined in an assembly that is not referenced. Consider adding a reference to assemblymonotouch, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' (CS0012)