title: passing argument 1 of 'objectAtIndex:' makes integer from pointer without a cast
body: <p>The application crashes when I select the data from the picker.</p>
  
  <pre><code>NSString *labl=[NSString stringWithFormat:@"%d",[self.datePicker selectedRowInComponent:0]];
  NSString *strPrintRepeat = (NSString *)[years objectAtIndex:labl];
  </code></pre>