Hi TIA,
I had the same issue. After messing around with it for a day, I just downgraded back to XCode 14.2. I was able to archive and upload to the App Store as usual. In addition to deleting XCode 14.3, I deleted the contents in the Derived Data folder. Not sure if it was necessary, but you may want to do that as a precaution.
Here is where you can download older versions of XCode: https://developer.apple.com/download/all/?q=Xcode
lukeeluke
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