Fatal error: Uncaught Error: Class 'ResponsiveSDK\Loader' not found in /homepages/27/d239065621/htdocs/clickandbuilds/HartStreetProperties/wp-content/themes/responsive/core/rollback/start.php:31 Stack trace: #0 /homepages/27/d239065621/htdocs/clickandbuilds/HartStreetProperties/wp-content/themes/responsive/functions.php(488): require_once() #1 /homepages/27/d239065621/htdocs/clickandbuilds/HartStreetProperties/wp-includes/class-wp-hook.php(288): responsive_sdk_load_latest('') #2 /homepages/27/d239065621/htdocs/clickandbuilds/HartStreetProperties/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array) #3 /homepages/27/d239065621/htdocs/clickandbuilds/HartStreetProperties/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #4 /homepages/27/d239065621/htdocs/clickandbuilds/HartStreetProperties/wp-settings.php(523): do_action('init') #5 /homepages/27/d239065621/htdocs/clickandbuilds/HartStreetProperties/wp-config.php(82): require_once('/homepages/27/d...') #6 /homepages/27/d239065621/htdocs/clickandbuilds/H in /homepages/27/d239065621/htdocs/clickandbuilds/HartStreetProperties/wp-content/themes/responsive/core/rollback/start.php on line 31