CODEWITHSUNDEEP
iosxcodefacebookreact-native
KuluGary
KuluGary

Reputation: 141

How to fix Undefined symbol error in Xcode?

I am developing a React-Native application, which has both an Android and iOS version.

When working in Xcode, I have had several errors, which included duplicated files and Mach-O Linker errors.

Right now I'm struggling with the following error.

This is the complete log with the error.

I also append some screenshots of my configuration.

error

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Upvotes: 1

Views: 2561

Answers (1)

hdsenevi
hdsenevi

Reputation: 1011

It's a bit hard to deduce the problem with the given info (I appreciate you have tried to give a lot info but even still the error is so vague, it can be caused by multitudes of things)

If I were you, I would do the following

  1. Create a bran new react-native app (lets call it buildMyIosApp for example)
  2. Build and run that
  3. Observe it building for ios (building buildMyIosApp through xcode works)
  4. Change the react and react-native versions on buildMyIosApp to be the same as your project
  5. Re-build buildMyIosApp
  6. Compare the project setup of buildMyIosApp to your project

Hopefully you would be able to find the issue that way.

Upvotes: 1

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