Error: EMFILE: too many open files - React Native CLI

react-native react-native-ios

Just close all other files and try again. If you are running on android make sure to run cd android and ./gradlew clean before react-native run-android. If this doesn't fix, there might be problem with your file watching service. Try this 

$ brew update
$ brew install watchman

I'm using a Mac and got the EMFile error. It was resolved when I installed the file watcher

brew install watchman

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