App crash from AppStore/TestFlight

Hi everyone, ran into an interesting problem recently. I have a fairly large app that was developed back in iOS 14. After the next update of the app, users started to appear complaining about crashes. Crashes happen only on versions lower than iOS 15 (14.8.1, 14.7.1 etc.). Also crashes happen only after installation from AppStore/TestFlight, if you build the project on the device, everything works fine and there are no problems.

I would be grateful for help, thanks

Also crashes happen only after installation from AppStore / TestFlight

Does that mean that you can reproduce the problem yourself? That is, if you use TestFlight to install it on your iOS 14 test device, does it crash?

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

Fixed the problem by reinstalling the libraries (instead of SPM I installed them using CocoaPods)

Thanks everyone

App crash from AppStore/TestFlight
 
 
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