Error in console

I am getting errors in the browser console, I share the file paths, from a local copy of my site but it happens also in my production site, the error is in the whole site including the home page, could you help me?

http://localhost/pruebas/wp-content/plugins/wpcomplete/public/js/wpcomplete-public.js?ver=2.9.5
https://localhost/pruebas/wp-content/plugins/wpcomplete/public/js/wpcomplete-public.js?ver=2.9.5