Fatal error: Uncaught Error: Call to undefined function presscore_responsive() in /home/host1374715/marino-grad.ru/htdocs/www/wp-content/themes/dt-the7/header-single.php:18 Stack trace: #0 /home/host1374715/marino-grad.ru/htdocs/www/wp-includes/template.php(722): require_once() #1 /home/host1374715/marino-grad.ru/htdocs/www/wp-includes/template.php(671): load_template('/home/host13747...', true) #2 /home/host1374715/marino-grad.ru/htdocs/www/wp-includes/general-template.php(41): locate_template(Array, true) #3 /home/host1374715/marino-grad.ru/htdocs/www/wp-content/themes/dt-the7/single.php(14): get_header('single') #4 /home/host1374715/marino-grad.ru/htdocs/www/wp-includes/template-loader.php(78): include('/home/host13747...') #5 /home/host1374715/marino-grad.ru/htdocs/www/wp-blog-header.php(19): require_once('/home/host13747...') #6 /home/host1374715/marino-grad.ru/htdocs/www/index.php(17): require('/home/host13747...') #7 {main} thrown in /home/host1374715/marino-grad.ru/htdocs/www/wp-content/themes/dt-the7/header-single.php on line 18