Xcode 9.1 b2 Storyboard compilation error

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Created Oct ’17

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I have a project that compiles in Xcode 9.0 but not Xcode 9.1 b2

Internal error. Please file a bug at bugreport.apple.com and attach "/var/folders/f3/wxgg140140ldj49twpgg1hl80000gp/T/IB-agent-diagnostics_2017-10-09_12-57-50_732000".

I filed the report https://bugreport.apple.com/web/?problemID=34892740

Looking in the log.txt file in the folder, I see:

Exception name: NSInvalidArgumentException
Exception reason: System-provided UIImage instances cannot be encoded in NIBs - raised for instance '<UIImage: 0x7fc6679e8e80>, {18, 20}'

Note: I've cleaned the project and derived data folder, but the issue persists in Xcode 9.1 b2.

How can I trace the UIImage instance here back to the issue in my storyboard to see which image is causing the problem?

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Answer 1

sparky OP

Oct ’17

This is a known issue in Xcode 9.1 beta 2

From the release notes....

Interface Builder

A UITabBarItem configured as a system item in a storyboard or xib causes a build failure. (34197132)

Workaround: Configure as a custom item in Interface Builder, then reset the tab bar item to the desired system item in the awakeFromNib method of the view controller.

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