Add product to order in admin panel not working

Hi.

I’m trying to add products to a new order, but, the system is not search, and, in the console of Google Chrome is showing this error:

<img src=”https://www.siluete.cl/wp-content/uploads/2014/12/error-woocommerce.jpg”&gt;

SEE IMAGE

Any idea why is happening this?

Thanks!

PD: Sorry, my english is terrible, Chilean here.

https://www.ads-software.com/plugins/woocommerce/