Module AppRegistry is not registered callable module (calling runApplication)

Question

I am using native base for making app in react-native. I am new to both things. When I run the app It gives me this error:

Here is my code:

Answer 1

Just kill all node process and start npm server and run application:

Step1: run command killall -9 node

For windows users, run: taskkill /im node.exe

Run taskkill /f /im node.exe if the process still persists.

Step2: run command npm start --reset-cache

Step3: run command react-native run-ios OR react-native run-android

Answer 2

1.Close Emülator

2.npm start -- --reset-cache

3.XCode -> Product -> Clean Build Folder

4.npx react-native run-ios

Answer 3

Closing the current Metro Bundler and restarting by resetting the cache worked for me

npm start -- --reset-cache

Answer 4

simply run below command.

react-native start --reset-cache

Answer 5

Need to replace

.setJSMainModulePath("index") with .setJSMainModulePath("index.android")

Answer 6

In my case, I didn't import a module in a component that I was using it in.

So, just check if you are importing the module you want to use...