PlayOn Browser Help

total newb here. just completed my HTPC build. trying to optimize kodi as frontend. trying to get appliance feel. trying to download PlayOn Add-on and i get error when i click install. something about “dependency on script.module.skin.helper.artultils”
google gave no help in this. I set up a free PlayOn acct. I’m completely lost on what to do next. please help, thanks is advance
-treyb0