title: App's second sprite atlas 'cannot be found'
body: <p>I have a SpriteKit game that uses a sprite atlas (extension <code>.spriteatlas</code>). It's located in my <code>Assets.xcassets</code>. This sprite atlas works just fine. I load the atlas like this:</p>
  <pre><code>let atlas = SKTextureAtlas(named: &quot;Atlas&quot;)
  </code></pre>
  <p>Now, I'm trying to add a <em>second</em> sprite atlas, but Xcode says &quot;Texture Atlas 'SecondAtlas' cannot be found&quot;.</p>
  <p>I've tried creating/adding this second one in a number of ways...creating it on my desktop and then dragging it into Xcode; creating it on my desktop and then dragging it into <code>.xcassets</code> via a Finder window; copying/pasting the existing, working, sprite atlas and then renaming it; etc.</p>
  <p>I've checked and re-checked that I'm trying to load the sprite atlas using the correct folder name. I am.</p>
  <p>I've also tried the following:</p>
  <ol>
  <li>Quit Xcode</li>
  <li>Reopen Xcode</li>
  <li>Open my project</li>
  <li>Clean the build folder</li>
  <li>Build/Run</li>
  </ol>
  <p>No matter what I do, the sprite atlas cannot be found despite literally being right there in front of me...it shows up in Xcode and it shows up in the Finder. I'm out of ideas.</p>
  <p>Thank you for your help!</p>