Fatal error: Uncaught Error: Class 'Bitrix\Main\Loader' not found in /var/www/vh15073/data/www/millennium-school.ru/include/mainpage/comp_catalog_ajax.php:8 Stack trace: #0 {main} thrown in /var/www/vh15073/data/www/millennium-school.ru/include/mainpage/comp_catalog_ajax.php on line 8