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I've been encountering an issue where, after running pod install, Xcode consistently throws an error: "Failed to save foo.xcodeproj." To clear this warning, I have to click through it more than 50 times.

This has become quite frustrating, as it happens every time I run pod install. Is there a way to prevent this error from occurring?

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This issue occurs when Xcode detects external changes while it already has drafted changes. The most common situations I personally encounter are:

  • Having multiple instances of Xcode opened on the same project (usually different versions, such as Xcode 15 and Xcode 16).
  • Applying discard, pull, merge, or other changes in Git outside of Xcode.
  • Modifying a file using a script, such as with the terminal.

My solution to these issues is as follows:

  • Keep all the tech stack up to date to the latest stable version (Xcode, macOS)
  • Ensure only one instance of Xcode is running at a time.
  • Close Xcode before applying any external changes, and reopen it afterward.
  • Ensure there is no ongoing process (like a process in terminal or background) when using Xcode.
  • Always use git as the source of truth for changes (Xcode has wiped out my changes many times, and I don’t trust it anymore).

Hope it helps ( And hope Apple fix these obvious frustrating issues some day :) )

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