Fatal error: Uncaught Error: Class "Bitrix\Main\Loader" not found in /home/host1872168/sun-tehnika.ru/htdocs/www/sect_information_block.php:3
Stack trace:
#0 {main}
thrown in /home/host1872168/sun-tehnika.ru/htdocs/www/sect_information_block.php on line 3