Fatal error: Uncaught Error: Class 'ResponsiveSDK\Loader' not found in /var/sites/s/spherix.co.uk/public_html/wp-content/themes/responsive/core/rollback/start.php:31 Stack trace: #0 /var/sites/s/spherix.co.uk/public_html/wp-content/themes/responsive/functions.php(488): require_once() #1 /var/sites/s/spherix.co.uk/public_html/wp-includes/class-wp-hook.php(286): responsive_sdk_load_latest('') #2 /var/sites/s/spherix.co.uk/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #3 /var/sites/s/spherix.co.uk/public_html/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #4 /var/sites/s/spherix.co.uk/public_html/wp-settings.php(525): do_action('init') #5 /var/sites/s/spherix.co.uk/public_html/wp-config.php(95): require_once('/var/sites/s/sp...') #6 /var/sites/s/spherix.co.uk/public_html/wp-load.php(37): require_once('/var/sites/s/sp...') #7 /var/sites/s/spherix.co.uk/public_html/wp-blog-header.php(13): require_once('/var/sites/s/sp...') #8 /var/sites/s/spherix.co.uk/public_html/index.php(17): re in /var/sites/s/spherix.co.uk/public_html/wp-content/themes/responsive/core/rollback/start.php on line 31