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FAQ

Why am I getting a 401 Unauthorized error when installing packages?​

If npm install or npx @nmfs-ocio/create-radfish-app fails with an error like this:

npm error code E401
npm error 401 Unauthorized - GET https://npm.pkg.github.com/@nmfs-ocio%2fradfish - unauthenticated: User cannot be authenticated with the token provided.

your GitHub personal access token (PAT) has most likely expired (or was revoked or mistyped). PATs expire after the period you choose when creating them (for example, 90 days; your organization may set a maximum), and npm can't download @nmfs-ocio packages from GitHub Packages without a valid one.

To fix it:

  1. Create a new token by following the steps in Getting Started. You can also click your expired token's name under Settings → Developer settings → Personal access tokens → Tokens (classic), then click Regenerate token. Either way, authorize the new token for nmfs-ocio afterwards: click Configure SSO next to it, then Authorize next to nmfs-ocio.

  2. Update your .npmrc with the new token:

    npm config set //npm.pkg.github.com/:_authToken YOUR_NEW_PERSONAL_ACCESS_TOKEN

    If your project has its own .npmrc with a token in it, update the token there too, since it takes priority over your user .npmrc.

  3. Verify it works:

    npm view @nmfs-ocio/radfish --registry https://npm.pkg.github.com

How often do I need to update my token?​

Whenever it expires. GitHub shows the expiration date next to each token on the Tokens (classic) page and emails you a reminder before it expires. Set a calendar reminder for the expiration date so your installs don't break unexpectedly.