title: Cannot invoke initializer for type AnyObject? with no arguments
body: <p>I created a variable in my Xcode project.</p>
  
  <pre><code>var user = AnyObject?()
  </code></pre>
  
  <p>This line of code came back as an error. The error message said </p>
  
  <blockquote>
    <p>Cannot invoke initializer for type 'AnyObject?' with no arguments</p>
  </blockquote>
  
  <p>Why do I receive this error and how do I fix it?</p>