Unable to load script.Make sure you are either running a Metro server or that your bundle 'index.android.bundle' is packaged correctly for release

Question

react-native run-android command terminates by leaving a message in android simulator. The message is as follows:

Unable to load script.Make

Answer 1

First do steps 4 and 5 then you can run your project. If you do not get the result (with steps 4 and 5) do the following steps

1- Try to downgrade your Node version (current version is 12.13.1)

  choco uninstall nodejs
  choco install nodejs --version 12.8

2- Add the path of npm module (C:\Users\your user name\AppData\Roaming\npm) to system variables instead of user variables

3- Install react native globally by using command

  npm install -g react-native-cli

4- Go to the root of your project directory and run the following command :

  react-native start

5- Open another terminal in the root of your project and run the following command :

   react-native run-android 

EDIT :

You are using Genymotion ? If yes, do the following step :

After above step if you get the following error ?

error Failed to launch emulator. Reason: No emulators found as an output of `emulator -list-avds`.

Open your genymotion and go to :

genymotion menu -> Settings -> ADB -> Then select use custom android sdk tools (click on browse to find sdk location)

Finally , run you project again ..