You use old theme version on site, also some of required plugins also are outdated and deactivated.
Please follow instructions and update theme via FTP http://www.8theme.com/demo/docs/royal/#!/installation_upgrade
Before uploading theme files delete “woocommerce” folder, which is located in wp-content/themes/royal/ to avoid problems with old files (it’ll be reuploaded from a new theme package). Don’t forget to create backup of your files and database before starting update process!
You need to enter your purchase code to activate the theme and skip Setup Wizard.
Also, update all required plugins: https://www.8theme.com/download-plugins/http://prntscr.com/gtwfrk