It was a typo error in our theme with the function name. Instead of esc_url it was mentioned as esc_rl which caused the issue and we have updated it in your site. We will update it in our next version as well.
If you are happy with our support, kindly rate us. Have a look at the video for the rating process. http://recordit.co/YqdTBuEJRm Hoping for a 5 star rating from your end 🙂