Xcode app crashing related to firestore database

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Created Jan ’23

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Hi, I have an app that uses a firestore database, throughout testing I had no problems. However, I released my app and it crashes all the time. I believe this happens when a modification is done to their database but I don't know much else. It worked completely fine before and don't see what the problem could be. You can see for your self, my app is Dexterity: Subscription Manager on the App Store. Here is a crash report I have. I am struggling to find resources online on how to interpret it, so any help would be appreciated.

Thanks so much for any help,

Cian

2023-01-19_07-44-05.3313_+0000-7dbbce739e274bdfa16673732053786a390ff6d1 copy.crash

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Answer 1

DTS Engineer OP

Apple

Jan ’23

The presence of the Last Exception Backtrace section indicates that your app is crashing due to an unhandled language exception. Look at its backtrace:

Last Exception Backtrace:
0   CoreFoundation  … __exceptionPreprocess + 164 (NSException.m:202)
1   libobjc.A.dylib … objc_exception_throw + 60 (objc-exception.mm:356)
2   Dexterity       … 0x102530000 + 6816252 (exception_apple.mm:67)
3   Dexterity       … firebase::firestore::util::Throw(firebase::firestore::util::ExceptionType…
4   Dexterity       … 0x102530000 + 5606696 (exception.h:94)
5   Dexterity       … 0x102530000 + 5606536 (FIRCollectionReference.mm:110)
6   Dexterity       … 0x102530000 + 453708 (ViewModel.swift:159)
7   Dexterity       … 0x102530000 + 304376 (CreateSubView.swift:301)
8   Dexterity       … 0x102530000 + 300372 (CreateSubView.swift:223)
9   SwiftUI         … partial apply for implicit closure #2 in implicit …

In frame 9 Swift UI is calling your code. It’s then your code all the way up to frame 2, where you throw a language exception. It looks like frames 2 through 4 are all exception throwing glue, so the source of the exception is frame 5, that is, line 110 of FIRCollectionReference.mm. You need to look up that code to find out what it’s complaining about.

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