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I am trying to build and run my project on the simulator, but am getting this error from an AppsFlyer library:

Undefined symbol: _OBJC_CLASS_$_AppsFlyerLib

Building and running on a physical device works fine, only get the error when trying on simulator.

I've tried pod install --repo-update, I've tried clean and build, I've tried deleting derived data, I've tried quitting Xcode and rebooting. Nothing helped. What is the cause of this error and how can I fix it?

tHatpart
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  • Are you using Xcode 12.4 by any chance? See [this issue](https://github.com/AppsFlyerSDK/AppsFlyerFramework/issues/171). – trojanfoe Oct 22 '21 at 11:21
  • @trojanfoe I am currently using Xcode 13, but I've definitely had the same issue using previous versions of Xcode – tHatpart Oct 22 '21 at 15:00

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