Error code

npm ENEEDAUTH

NPMENEEDAUTH
Runtime Error Code· An error code from a programming runtime or package manager, like Node.js or npm.

What it means

This operation requires authentication but no credentials were found.

How to fix it

  1. Run npm login to authenticate with the registry.
  2. Check your .npmrc for a valid authToken entry for the registry host.
  3. Set the NPM_TOKEN environment variable in CI pipelines.

Not affiliated with npm. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.