title: HightChart Flag is not working, Error: Highcharts error #17: www.highcharts.com/errors/17
body: <p>here is my fiddle <a href="http://jsfiddle.net/ahfsv2k8/14/" rel="nofollow noreferrer">http://jsfiddle.net/ahfsv2k8/14/</a></p>
  
  <p>I need to show flag only first point and last point like this <a href="https://www.highcharts.com/stock/demo/flags-placement" rel="nofollow noreferrer">https://www.highcharts.com/stock/demo/flags-placement</a></p>
  
  <p>but with my fiddle not working.</p>
  
  <p>I added :</p>
  
  <pre><code>{
                      type: 'flags',
                      data: [{
                          x:  1214784000000,
                          text: 'Flag Aaaa',
                          title: 'A'
                      }],
                      onSeries: 'main'
                  }
  </code></pre>
  
  <p>for flag but not working. showing me <code>Error: Highcharts error #17: www.highcharts.com/errors/17</code> error on console.</p>