Answers for "cocoapods could not find compatible versions for pod "fbreactnativespec": in podfile: fbreactnativespec (from `../node_modules/react-native/react/fbreactnativespec"

CocoaPods could not find compatible versions for pod "ReactCommon/jscallinvoker"

// replace 

pod 'ReactCommon/jscallinvoker', :path => "../node_modules/react-native/ReactCommon"

//with

pod 'ReactCommon/callinvoker', :path => "../node_modules/react-native/ReactCommon"

CocoaPods could not find compatible versions for pod "React/Core": In Podfile: react-native-fetch-blob (from `../node_modules/react-native-fetch-blob`) was resolved to 0.10.6, which depends on React/Cor

grep -rl "s.dependency 'React/Core'" node_modules/ | xargs sed -i '' 's=React/Core=React-Core=g'