Hello,
You have outdated files http://prntscr.com/gi4q77 so need to update theme to the latest version http://prntscr.com/gi4qy6
https://www.8theme.com/demo/docs/legenda/#!/installation_upgrade
Before uploading theme files delete “woocommerce” folder, which is located in wp-content/themes/legenda/ to avoid problems with old files.
Don’t forget to create backup of your files and database before starting update process!
You need to enter your purchase code to activate our new theme version and skip Setup Wizard.
Also, update all required plugins https://www.8theme.com/download-plugins/
Regards