title: Assertion failure in -[UINib initWithNibName:directory:bundle:]
body: <p>I get the error with below message when I touched uitextfield in view controller.</p>
  
  <p>msg:</p>
  
  <pre><code>*** Assertion failure in -[UINib initWithNibName:directory:bundle:], /SourceCache/UIKit/UIKit-2380.17/UINib.m:96
  2013-08-26 15:58:43.547 Xpointer[1023:907] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid parameter not satisfying: (name != nil) &amp;&amp; ([name length] &gt; 0)'
  </code></pre>
  
  <p>This error show and always crash everywhere(all view controller).</p>