🛠️ Issue: NPM Authentication Error When Initializing New UI-Only App in Neutrinos Studio 9.2

Community Support Request
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Hi everyone,

I’m facing an issue while trying to initialize a new UI-only app in Neutrinos Studio. After creating the project, I ran npm install, but it failed with the following error:

npm ERR! code E401  
npm ERR! Unable to authenticate, need: BASIC realm="Sonatype Nexus Repository Manager"
  • Looks like the issue might be related to the .npmrc file configuration in the project.
  • The complete error log was found at:
    C:\Users\Jishnu Anil\AppData\Local\npm-cache\_logs\2025-06-06T06_25_08_842Z-debug-0.log

Has anyone else encountered this issue? Any suggestions on resolving the authentication problem with the Nexus Repository during npm install?

Thanks in advance!

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@ragesh-a @Muhseena_T @Sarath please help the team

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I’m also facing the exact same issue while trying to set up a new UI-only app in Neutrinos Studio.
Getting the same E401 Unable to authenticate error during npm install, and I suspect it’s due to the .npmrc file or some missing auth config for the Nexus repository.

Would appreciate any help if someone has found a solution or workaround!
@Eldho

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It has been resolved.

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