react-native ios Podfile issue with “use_native_modules!”

Question

In my react-native project (react-native@0.60) in the ios/ dir I run pod install and get this error:

[!] Invalid `Podfile` file: no implicit con         


        

Answer 1

this is because the outdate yarn version on your device, if you on macOS you can upgrade/install the yarn with follow this link: here it is

be aware to delete node-module and yarn.lock file, install all packages again, navigate to ios folder and run pod install.