 and version combination already exists in
the specified registry.</p>
<p>Once a package is published with a given name and version, that
specific name and version combination can never be used again, even if
it is removed with <a href="../cli/npm-unpublish.html">npm-unpublish(1)</a>.</p>
<h2 id="see-also">SEE ALSO</h2>
<ul>
<li><a href="../misc/npm-registry.html">npm-registry(7)</a></li>
<li><a href="../misc/npm-scope.html">npm-scope(7)</a></li>
<li><a href="../cli/npm-adduser.html">npm-adduser(1)</a></li>