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The development server returned response error code: 500 · Issue #401 · expo/create-react-native-app · GitHub
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the development server returned response error code 500, Duplicated files or mocks. Please check the console for more info · Issue #25795 · facebook/react-native · GitHub
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The development server returned response error code: 500. Cannot find module @babel/core · Issue #22074 · facebook/react-native · GitHub
The development server returned response error code: 500 · Issue #721 · expo/create-react-native-app · GitHub
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