title: TypeError: a is not an Object. (evaluating '"length"in a')
body: <p>I have started receiving this error. </p>
  
  <pre><code>  TypeError: a is not an Object. (evaluating '"length"in a')
          ajaxjquery-1.11.3.min.js:4:21606
          (anonymous function)formDesigner.js:27
          jjquery-1.11.3.min.js:1:27314
          fireWithjquery-1.11.3.min.js:1:28123
          readyjquery-1.11.3.min.js:1:29967
          Jjquery-1.11.3.min.js:1:30327
  </code></pre>
  
  <p>I cannot find 'a' variable or anything I have accidentally called 'a' in my code.</p>
  
  <p>I do have a few array's which I check the <code>.length</code> of -  but I'm not sure I understand the error.</p>
  
  <p>I'm using jquery and ajax too.</p>