[!] Unable to find a specification for `React-Core` depended upon by `RNInAppBrowser`

[pacosta613]

I am getting this error on React-Native 0.59.9. If i add pod 'React-Core', :path => '../node_modules/react-native/React' or pod 'React-Core', :path => '../node_modules/react-native'

I get [!] No podspec found for React-Core in ../node_modules/react-native/React

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