Hello,
As I see you’re using old theme version (2.8.1). Please update theme to the latest.
Here is video tutorial how to update theme:
https://www.youtube.com/watch?v=KdWESIIPU1k
Also you can download the latest plugins versions at this link https://www.8theme.com/download-plugins/ ,
enter your purchase code of the theme to get the plugins.
Regards,
Robert Hall.