Fatal error: Uncaught Error: Class 'Bitrix\Main\Loader' not found in /var/www/biznesugry.rf/data/local/php_interface/include/iblock_element_edit_educat_event.php:12 Stack trace: #0 {main} thrown in /var/www/biznesugry.rf/data/local/php_interface/include/iblock_element_edit_educat_event.php on line 12