title: A table of multiple values was supplied where a single value was expected, when using Distinct
body: <p>I have the following table:</p>
  
  <p><a href="https://i.stack.imgur.com/UPT4m.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UPT4m.png" alt="enter image description here"></a></p>
  
  <p>I'm trying to create a new column using Dax language: </p>
  
  <pre><code>Column = DISTINCT('Edição'[País])
  </code></pre>
  
  <p>But I gott this error message:</p>
  
  <pre><code>A table of multiple values was supplied where a single value was expected.
  </code></pre>
  
  <p>The expected result is:</p>
  
  <p><a href="https://i.stack.imgur.com/OsXGu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/OsXGu.png" alt="enter ription here"></a></p>