cannot read property 'length' of undefined

[Klaus]

Hi, sorry for my bad english. I have create a char using a google charts but when i try to see that with chrome browser i se that error cannot read property 'length' of undefined

Any one can help me? I had included las version of google chart using that string

<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>