React native pod file use_modular_headers! throwing Redefinition of module 'ReactCommon' error

Question

I have created a sample react native project npx react-native init MyNewProject
I added pod dependency in ios pod file
I added use_modular_headers!
Getting error as Redefinition of module 'ReactCommon' error in xcode project
in vs code getting below error

target 'MyNewProject' do
  config = use_native_modules!
  

  use_react_native!(
    :path => config[:reactNativePath],
    # An absolute path to your application root.
    :app_path => "#{Pod::Config.instance.installation_root}/.."
  )
  pod 'some pod'

  target 'MyNewProjectTests' do
    inherit! :complete
    # Pods for testing
  end

I tried pod uninstall and install

I opened a bug report for this: github.com/facebook/react-native/issues/45000 — Jay Koutavas
– Jay Koutavas, Commented Jun 17, 2024 at 16:49

Balram Singh · Accepted Answer · 2024-08-16 13:05:14Z

0

I had the same issue with other pods (Firebase). I assume the issue has to do with recursive dependecnies that are also imported explicitly. I tried all the same things as you did, although the only thing that helped me was to close xcode, run

pod deintegrate
pod install

and rebuild.

In you have installed firebase recently, try this:

pod 'FirebaseCore', :modular_headers => true
pod 'Firebase', :modular_headers => true
pod 'FirebaseCoreInternal', :modular_headers => true
pod 'GoogleUtilities', :modular_headers => true

edited Aug 16, 2024 at 13:05

answered Aug 14, 2024 at 5:44

Balram Singh

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Nha An · Accepted Answer · 2025-03-21 10:22:26Z

0

For anyone tries to develop react native with expo first time after me:

Read this doc: https://rnfirebase.io/#expo-managed-workflow (there is a section about "expo-build-properties" and you need to install it)
After that, if you didn't enable Google sign-in, you will got another error with REVERSE_CLIENT_ID. Follow this page: https://github.com/invertase/react-native-firebase/issues/7338 (remember to add SHA-1 for android too)

edited Mar 21 at 10:22

answered Mar 21 at 10:22

Nha An

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Zeros-N-Ones Mar 22 at 2:44

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