Hello,
You’re using old theme and plugins versions. Please update them.
You can download the latest version of the theme here:
http://themeforest.net/item/legenda-responsive-multipurpose-wordpress-theme/5888906
Don’t forget to make backup your site before updating.
Here is video tutorial how to update theme:
https://www.youtube.com/watch?v=KdWESIIPU1k
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.