Mysterious pngcrush caught libpng error:

From time to time, you may get a mysterious error in Xcode: pngcrush caught libpng error: Something like the image below: The explanation Compress PNG Files Error will just confuse you. Xcode 9 will compile the code and run the app in spite of marking it red. It will even archive the app just before sending it to the App Store and it will still be passed through. Further explanation will say image.png pngcrush…

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