Today in this article we will discuss tips on solving the internal error “internal/modules/cjs/loader.js:582 throw err Error: Cannot find module”. This internal error is actually a JavaScript issue that can be encountered with almost all browsers. Read on.

When Do You Get The Error “internal/modules/cjs/loader.js:582 throw err Error: Cannot find module”?

In your console, you might get the following error.

internal/modules/cjs/loader.js:582
throw err;
^

Error: Cannot find module 'D:\project\TherapiProject\app.js'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:580:15)
at Function.Module._load (internal/modules/cjs/loader.js:506:25)
at Function.Module.runMain (internal/modules/cjs/loader.js:741:12)
at startup (internal/bootstrap/node.js:285:19)
at bootstrapNodeJSCore (internal/bootstrap/node.js:739:3)

How To Solve The Error  “internal/modules/cjs/loader.js:582 throw err Error: Cannot find module”?

Option 1: npm Install

The first solution to solve the error “internal/modules/cjs/loader.js:582 throw err Error: Cannot find module” is npm installing. Let’s follow these steps to understand more about this method.

1. Simply remove the node modules directory. 

2. Remove the package-lock.json file from your system. 

3. Run the npm install command.

4. Run npm start.

After finishing these steps, your error will completely disappear.

Option 2: Delete node_modules and package-lock.json

Another solution to solve your error is deleting node_modules and package-lock.json by using the command below:

remove node_modules and package-lock.json 
rm -rf node_modules package-lock.json

After which, to install dependencies, use the following command.

npm install

Lastly, use the following command to check your package.

npm start

Option 3: rm -rf node_modules package-lock.json && npm install && npm start

To fix your problem, you simply need to run this command:

rm -rf node_modules package-lock.json && npm install && npm start

Option 4: Verify that the address path for app.js is correct

All you have to do now is double-check that the address path for app.js in our Package.json file is correct (it should be main.js, app.js, server.js, start.js, or whatever you chose).

{"npm": <your server code file name>.js}

Option 5: Uninstall puppeteer, mocha and chai and then install

Excepting the above solutions, there is another solution to solve the error “internal/modules/cjs/loader.js:582 throw err Error: Cannot find module”. It is uninstalling puppeteer, mocha and chai and then installing them again. Follow this command to do that:

npm uninstall puppeteer mocha chai

After that, let’s use the following command to reinstall it and your error will be completely fixed.

npm install puppeteer mocha chai

Although this is a simple method, it works perfectly. After you do that, your error will completely disappear and your program will run without any errors. So, what are you waiting without applying it for your error?

Conclusion

We hope you enjoyed our article about this confusing error. With this knowledge, we know that you can fix the problem “internal/modules/cjs/loader.js:582 throw err Error: Cannot find module” quickly by following these steps! If you still have any other questions about fixing this syntax error, please leave a comment below. Thank you for reading!

Read more

→ How To Fix Cannot Find Module ‘Express’ Error In Node.Js