![The development server returned response error code: 500 · Issue #401 · expo/create-react-native-app · GitHub The development server returned response error code: 500 · Issue #401 · expo/create-react-native-app · GitHub](https://user-images.githubusercontent.com/9332901/30262713-3e803884-96d2-11e7-9253-b20965fa9da9.jpeg)
The development server returned response error code: 500 · Issue #401 · expo/create-react-native-app · GitHub
![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 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](https://user-images.githubusercontent.com/42662202/61759489-30e19f00-adfb-11e9-9e74-2894d03cc4bd.png)
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
![The development server returned response error code: 500 · Issue #2536 · GeekyAnts/NativeBase · GitHub The development server returned response error code: 500 · Issue #2536 · GeekyAnts/NativeBase · GitHub](https://user-images.githubusercontent.com/10114716/51761868-3e81ca80-20df-11e9-87e2-7f6d96b376aa.png)
The development server returned response error code: 500 · Issue #2536 · GeekyAnts/NativeBase · GitHub
![android studio - The development server returned response error code: 500 in react native 0.56 - Stack Overflow android studio - The development server returned response error code: 500 in react native 0.56 - Stack Overflow](https://i.stack.imgur.com/hLlPH.png)
android studio - The development server returned response error code: 500 in react native 0.56 - Stack Overflow
![android - the development server returned response error code 500 - react native - ./configs/main - Stack Overflow android - the development server returned response error code 500 - react native - ./configs/main - Stack Overflow](https://i.stack.imgur.com/7emeB.jpg)
android - the development server returned response error code 500 - react native - ./configs/main - Stack Overflow
![The development server returned response error code: 500 · Issue #2536 · GeekyAnts/NativeBase · GitHub The development server returned response error code: 500 · Issue #2536 · GeekyAnts/NativeBase · GitHub](https://user-images.githubusercontent.com/58626565/109499069-3367a880-7ab6-11eb-9a2b-cffc1ebed258.jpg)
The development server returned response error code: 500 · Issue #2536 · GeekyAnts/NativeBase · GitHub
![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. Cannot find module @babel/core · Issue #22074 · facebook/react-native · GitHub](https://user-images.githubusercontent.com/24664708/47894408-0f89ee80-de39-11e8-8f80-792c14e4f270.jpg)