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I get this error, when try to create new action for UIButton by dragging blue arrow from UIButton to my header file (you know, this new feature of XCode 4…)
When I create action in code by myself and connect it in old way, simply by dragging from button to File’s Owner, it’s works well
Here’s screenshot:
Make sure your .m file exists in the project and on disk. Make sure it is correct with an
@implementaiton–@endblock. Open it in Xcode, close it, if the error persist, restart Xcode.Xcode is trying to write to
EditPUViewController.m(in thedeallocmethod etc.) but could not find it.Also, it always helps to hard-clean the project with ⌘+⌥+⇧+K.