How to fix React Native version mismatch

To fix this just do the following

1). Open package.json

2). Change this line

"react-native": "^0.61.4",

to reflect the new version.

For example if it says Javascript version is 20 and React Version is 19, your line would become

"react-native": "20",

3). Save the file
4). Close your eyes, delete the node_modules folder
5). Open your eyes and type

If you use Yarn:

yarn install

if you use NPM:

npm install

6). Start the app by typing

yarn start -c

or

npm start -c

or

expo start

Comments

[Khaja Nizamuddin]

Javascript was one version behind the installed native version,

So, I changed the sdk version to just 1 behind Changed this line in my package.json "react-native": "github.com/expo/react-native/archi...",

to "react-native": "github.com/expo/react-native/archi...",

and saved the file, and app started working (Didn't even restart the app)

[Takunda Madechangu]

That's great man.

[Chris Merino]

Thank you very much for this!

[Mohammad Makeen]

This awesome man!

[Roberto Junior]

WTF Facebook? I just started a new project with the CLI and got this error...

[Gerzon Z.]

I dont understand, when this happens? I never had this issue before

[Takunda Madechangu]

This happens when your project has different version from the one specified in package.json