title: Can't find keyplane that supports type 4 for keyboard error UITextfield focus
body: <p>I use <code>UITextfield</code> in custom cell . when I focus in my <code>Textfield</code> get this warning error :</p>
  
  <pre><code> Can't find keyplane that supports type 4 for keyboard iPhone-Portrait-NumberPad; using 3876877096_Portrait_iPhone-Simple-Pad_Default
  </code></pre>
  
  <p>what is this error???</p>