title: Webview didFailLoadWithError error code -999
body: <p>In this code, <code>UIWebView</code> fails to load, I saw this:</p>
  
  <blockquote>
    <p>Error Domain=NSURLErrorDomain Code=-999 "The operation couldn’t be completed. (NSURLErrorDomain error -999.)" UserInfo=0x1c0e36e0 {NSErrorFailingURLKey=<a href="http://tpc.googlesyndication.com/safeframe/1-0-2/html/container.html#xpc=sf-gdn-exp-3&amp;p=http%3A//blog.moneysmart.sg" rel="nofollow">http://tpc.googlesyndication.com/safeframe/1-0-2/html/container.html#xpc=sf-gdn-exp-3&amp;p=http%3A//blog.moneysmart.sg</a>, NSErrorFailingURLStringKey=<a href="http://tpc.googlesyndication.com/safeframe/1-0-2/html/container.html#xpc=sf-gdn-exp-3&amp;p=http%3A//blog.moneysmart.sg" rel="nofollow">http://tpc.googlesyndication.com/safeframe/1-0-2/html/container.html#xpc=sf-gdn-exp-3&amp;p=http%3A//blog.moneysmart.sg</a>}</p>
  </blockquote>
  
  <pre><code>- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error 
  {}
  </code></pre>
  
  <p>May I know what is the error code -999?</p>