1.5.0.3 Error Json/Auto Fill in Admin

Hi all, i have problem with Opencart Administration, I added option in Catalog>Option successfull
but when i go in catalog>Product and add an option and typing % or anythink there doesn't show suggest..

I think this is problem of Json or Auto Fill, someone else had same problem?

I have Opencart 1.5.0.3.
I alredy seen header jquery
<script type="text/javascript" src="view/javascript/jquery/jquery-1.6.1.min.js"></script>
<script type="text/javascript" src="view/javascript/jquery/ui/jquery-ui-1.8.9.custom.min.js"></script>
<link rel="stylesheet" type="text/css" href="view/javascript/jquery/ui/themes/ui-lightness/jquery-ui-1.8.9.custom.css" />
working

Please help me, and sorry for my bad english

no one can help me?