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Cannot open an Xcode project in Xcode 4.5 after opening it in Xcode 5

I am working with another iOS programmer together on a project. Another programmer installed Xcode 5 on his computer and opened the project. After he sent me the project, I cannot open it in my older Xcode 4.5. First I got the following error: Unable to open document "MainStoryboard.storyboard". Failed to read archive. Use the new version of Xcode. Consider changing the design goal of the document to maintain compatibility.

Then I opened the storyboard in the source code and changed the version from 3.0 to 2.0 (and later to 1.0). After that, I tried to open the storyboard in Interface Builder and received the following error:

Unable to open document "MainStoryboard.storyboard". Unable to unlock item named "tableViewCellContentView". Edit this document with the new version of Xcode.

Do you have any ideas or suggestions?

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This works for me with Xcode 4.5.1:

Open the storyboard file as source code, change the version from 3.0 to 2.0 and replace all occurrences of "tableViewCellContentView" with "view"

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You can open the project in a new version of Xcode, and then flip the storyboard to run in Xcode 4.5. I tried this and it worked for me. For clarity, the steps are described here:

  • Open storyboard
  • Open the Identity and Type tag in the right Xcode view.
  • Set the Development value in Document Versioning to "Xcode 4.2" (my default is "Default Version (Xcode 4.1)."
  • Change the Deployment value from the project SDK (iOS 5.0) to iOS 5.0, then go back to the project SDK (iOS 5.0).
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It happened to me. I solved it as follows:

  • Open project in xcode 4.5
  • Select xib (FormViewController.xib, in your case).
  • Select File Inspector.
  • In the "Interface Toolbox" section, set "Deployment" on iOS 6.0 (this can be installed on iOS7 +).

Hope this can solve your problem. He allowed my ...

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