title: expected at least 1 argument, got 0
body: <p>I installed robot framework yesterday and trying to run a test file.Below is my test file, while i try to run the file using  robot -d tests/Amazon.robot , i am getting a error as</p>
  <pre><code>[Error] Expected at least 1 argument,got 0.
  </code></pre>
  <p>can someone please help me.</p>
  <p><a href="https://i.stack.imgur.com/aGN0g.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/aGN0g.png" alt="enter image description here" /></a></p>