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In this article, we will learn how to fix the Cannot find module error in Node.js.

package.json File

Before diving into the solution, we will first try to understand the package.json file and why we need it.

The package.json file is the root or core of any Node project. This file records all the important metadata information required before the project is published in npm.

It also defines the project's functional properties for using npm to install dependencies, run scripts, and determine the package entry point.

npmIt is the world's largest software registry. Open source developers on all continents use npm to share and borrow packages, and many organizations also use npm to manage private development.

Solve the Cannot find module error in Node.js

The Cannot find module error occurs when the module is not installed globally. This is a problem with the script or the npm application.

Follow one of the following solutions to resolve the issue:

1. Let's first try to install the module in our local application folder. Make sure we have the latest version of the module we are trying to install by running:

   $npm install module-name
   

2. Bind an existing global module to your local application. If the above solution does not work, try to bind a globally installed module to our application.
   In the application, open a terminal and run the following command:

   $npm link module
   

3. Delete the following files/folders from Local Applications.
   • package-lock.json file (not package.json file)
   • /node_modulesrm -rf node_modules folder or run the command in the terminal

After deleting the above files/folders, run the following command to install the package again:

$ npm install

This will install all packages that have the latest versions.