title: Ggplot error : haven_labelled/vctrs_vctr/double
body: <p>I am new here and still studying R so I am dealing with an error.</p>
  <p>Here is what I get from console</p>
  <blockquote>
  <p>Don't know how to automatically pick scale for object of type haven_labelled/vctrs_vctr/double. Defaulting to continuous.</p>
  </blockquote>
  <p>I don't know what can I do to make it work. I want to get a scatterplot.</p>
  <pre><code>ggplot(data = diagnoza, aes(x = Plecc, y = P32.01))
  </code></pre>
  <p>Don't know how to automatically pick scale for object of type haven_labelled/vctrs_vctr/double. Defaulting to continuous.</p>