[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (1054) Unknown column 'LANGUAGE_ID' in 'field list' (400)

				SELECT ID, C_FIELDS, EVENT_NAME, MESSAGE_ID, LID,
					DATE_FORMAT(DATE_INSERT, '%d.%m.%Y %H:%i:%s') as DATE_INSERT,
					DUPLICATE, LANGUAGE_ID
				FROM b_event
				WHERE SUCCESS_EXEC='N'
				ORDER BY ID
				LIMIT 5
/var/www/st-clinica/data/www/st-clinica.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/modules/main/lib/mail/eventmanager.php:90
#2: Bitrix\Main\Mail\EventManager::executeEvents()
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/modules/main/lib/mail/eventmanager.php:29
#3: Bitrix\Main\Mail\EventManager::checkEvents()
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/modules/main/classes/general/event.php:20
#4: CAllEvent::CheckEvents()
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/modules/main/classes/general/main.php:3581
#5: CAllMain::EpilogActions()
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/modules/main/include/epilog_after.php:45
#6: require(string)
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/modules/main/include/epilog.php:3
#7: require_once(string)
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/footer.php:4
#8: require(string)
	/var/www/st-clinica/data/www/st-clinica.ru/about/specialists/index.php:87
#9: include_once(string)
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/modules/main/include/urlrewrite.php:159
#10: include_once(string)
	/var/www/st-clinica/data/www/st-clinica.ru/bitrix/urlrewrite.php:2