How to Fix: npm start error with create-react-app

The error 'sh: react-scripts: command not found' occurs when you try to run `npm start` in a project created with create-react-app, and it can be frustrating because it prevents you from launching your application. This issue happens due to the fact that the project's dependencies have changed or been updated, causing the `react-scripts` command to become unavailable.

This error is often caused by a misconfiguration of the npm scripts or an incorrect installation of create-react-app. In this guide, we will walk you through the steps to resolve this issue and get your application running smoothly again.

💡 Why You Are Getting This Error

• The primary reason for this error is that `react-scripts` has been deprecated in favor of `start` script in `package.json`. When you created your project with create-react-app, it automatically set up the `package.json` file with a `start` script. However, if you updated or modified the project without running `npm install` and `npm run build`, the `react-scripts` command might become unavailable.
• Another possible cause is that the `node_modules` directory has been deleted or corrupted, causing the `react-scripts` command to fail.

✅ Best Solutions to Fix It

🎯 Final Words

To resolve the 'sh: react-scripts: command not found' error in a create-react-app project, you can try reinstalling dependencies using npm or reconfiguring the npm scripts. If neither of these methods work, it may be necessary to delete the `node_modules` directory and run `npm install` again. Remember to update your `package.json` file with the new `start` script to avoid similar issues in the future.