Fatal error: Uncaught Error: Class 'Twig_Environment' not found in /home/customer/www/knoxhomesales.com/public_html/wp-content/plugins/responsive-menu/config/twig.php:3 Stack trace: #0 /home/customer/www/knoxhomesales.com/public_html/wp-content/plugins/responsive-menu/config/services.php(24): include_once() #1 /home/customer/www/knoxhomesales.com/public_html/wp-content/plugins/responsive-menu/app/Container/Container.php(27): {closure}(Object(ResponsiveMenu\Container\Container)) #2 /home/customer/www/knoxhomesales.com/public_html/wp-content/plugins/responsive-menu/config/services.php(29): ResponsiveMenu\Container\Container->offsetGet('twig') #3 /home/customer/www/knoxhomesales.com/public_html/wp-content/plugins/responsive-menu/app/Container/Container.php(27): {closure}(Object(ResponsiveMenu\Container\Container)) #4 /home/customer/www/knoxhomesales.com/public_html/wp-content/plugins/responsive-menu/config/services.php(37): ResponsiveMenu\Container\Container->offsetGet('view') #5 /home/customer/www/knoxhomesales.com/public_h in /home/customer/www/knoxhomesales.com/public_html/wp-content/plugins/responsive-menu/config/twig.php on line 3