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npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri, npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri, npm ERR! code E401 npm ERR!, npm ERR! Unable to authenticate

[Solved] npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri

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Are You Facing the Following error npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri in Nodejs? Then You are in right place. In this article, we will try to figure out how this error occurs and what are the possible fixes for this error. First of all, let’s explore how this error occurs.

Contents
  1. What is npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri error?
  2. How To Fix npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri Error?
  3. Solution 1: Delete npmrc file
  4. Solution 2: Use this command
  5. Solution 3: delete package-lock.json
  6. Conclusion

What is npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri error?

trying to run npm install but it fails with the following error.

npm ERR! code E401
npm ERR! Unable to authenticate, need: Bearer authorization_uri

How To Fix npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri Error?

  1. How To Fix npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri Error?

    To Fix npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri Error your npm install command is failing then probably you need to run this command instead of npm install just like this: npm install –registry https://registry.npmjs.org Now, your error will be solved. Thanks.

  2. npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri

    To Fix npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri Error First of all open your C:\Users\your_username folder and find .npmrc file. Just delete it manually. Now, Open your project's root folder and open the terminal from the root of your project. And then run this command: npx vsts-npm-auth -config .npmrc Hope, Now your error should be solved. Thanks.

Solution 1: Delete npmrc file

To Fix npm ERR! code E401 npm ERR! Unable to authenticate, need: Bearer authorization_uri Error First of all open your C:\Users\your_username folder and find .npmrc file. Just delete it manually.

Now, Open your project’s root folder and open the terminal from the root of your project. And then run this command.

npx vsts-npm-auth -config .npmrc

Hope, Now your error should be solved. Thanks.

Solution 2: Use this command

If your npm install command is failing then probably you need to run this command instead of npm install just like this.

npm install --registry https://registry.npmjs.org

Now, your error will be solved. Thanks.

Solution 3: delete package-lock.json

First of all delete package-lock.json file From your project OR delete yarn.lock if you are yarn user. and now run this command.

npm install

Now, your error should be solved. Thank you.

Conclusion

It’s all About this error. I hope We Have solved Your error. Comment below Your thoughts and your queries. Also, Comment below on which solution worked for you.

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