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Unable to load script. Make sure you're either running a Metro server (run 'react-native start') or that your bundle 'in


Unable to load script. Make sure you're either running a Metro server (run 'react-native start') or that your bundle 'in

By : Agoes Santosa
Date : October 17 2020, 06:10 PM
this one helps. First of all create a directory in android/app/src/main/assets
(Add assets folder manually)
code :


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react native bundle sha-1 for file not computed(unable to load script from assets index.android.bundle)

react native bundle sha-1 for file not computed(unable to load script from assets index.android.bundle)


By : user1623782
Date : March 29 2020, 07:55 AM
I hope this helps you . I'm using react-native getting started tutorial for creating new rn app.after installations when I try to run my just created app I'm getting this error: , I updated react-native-cli and the problem disappeared :
code :
npm i -g react-native-cli
java.lang.RuntimeException: Unable to load script. Make sure you're either running a Metro server (run 'react-native sta

java.lang.RuntimeException: Unable to load script. Make sure you're either running a Metro server (run 'react-native sta


By : user2783627
Date : March 29 2020, 07:55 AM
may help you . This error is for debug mode. you have to use release mode after generating signed apk. Please follow the official react native doc to build the signed apk.
Error saying "Unable to load script. Make sure you're either running a Metro server..."

Error saying "Unable to load script. Make sure you're either running a Metro server..."


By : user3151271
Date : March 29 2020, 07:55 AM
it fixes the issue Have you installed all the dependencies correctly?
My Dev dependencies are:
Unable to load script from assets 'index.android.bundle'. Make sure your bundle is packaged correctly or you're running

Unable to load script from assets 'index.android.bundle'. Make sure your bundle is packaged correctly or you're running


By : Max Jian
Date : March 29 2020, 07:55 AM
around this issue 1- Create a new folder => android/app/src/main/assets
2- Run this command =>
Unable to load script.Make sure you are either running a Metro server or that your bundle 'index.android.bundle' is pack

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


By : Mat
Date : March 29 2020, 07:55 AM
I hope this helps you . You haven't started the bundler yet. Run npm start or react-native start in the root directory of your project before react-native run-android.
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