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I am migrating my react native app that used react-native-fcm and react-native-firebase-analytics that are now deprecated to use react-native-firebase. The build runs fine, however when the app start, it stays on the splash screen for almost a minute (which is weird), then crashes with an error: 

TypeError: 'undefined' is not an object (evaluating 'RNFIR.requestPermissions()')

There is no such expression in my code, everything is up to date. My guess is that it might come from inside the react-native-firebase lib but I'm not sure how to fix it. Any ideas?

  • There is no migration guide, I just uninstalled the deprecated packages and followed the installation instructions on http://rnfirebase.io –  Jun 15 '18 at 13:29

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Make sure you remove all the libraries installed from react-native-fcm in xcode, I migrated from react-native-fcm to react-native-firebase and there were a few left over libraries that I had to manually remove.

rt_
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