The development server returned response error code: 500 in react native

Question

I am using react-native framework for developing my android app. I want to use react-native-material-design library for making Toolbar wit

Answer 1

1) You might work in Linux system & You have to run application with the terminal & check into the Android Simulator rather in Devices.

2)If you work with above then please make sure your Simulator Wifi should be off & then work with Studio It will work perfectly.

3)Make sure there should be not open multi-pal terminal or command window for at same time. if it then close one