[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (1054) Unknown column 'catalog_group_current_lang.LANG' in 'on clause' (400)
SELECT 
	`catalog_group`.`ID` AS `ID`,
	`catalog_group`.`NAME` AS `NAME`,
	`catalog_group`.`BASE` AS `BASE`,
	`catalog_group`.`SORT` AS `SORT`,
	`catalog_group`.`XML_ID` AS `XML_ID`,
	`catalog_group_current_lang`.`NAME` AS `NAME_LANG`
FROM `b_catalog_group` `catalog_group` 
LEFT JOIN `b_catalog_group_lang` `catalog_group_current_lang` ON `catalog_group`.`ID` = `catalog_group_current_lang`.`CATALOG_GROUP_ID`
AND `catalog_group_current_lang`.`LANG` = 'ru'
ORDER BY `SORT` ASC, `ID` ASC
/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/main/lib/orm/query/query.php:3190
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/main/lib/orm/query/query.php:806
#3: Bitrix\Main\ORM\Query\Query->exec()
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/main/lib/orm/data/datamanager.php:407
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/catalog/general/cataloggroup.php:290
#5: CAllCatalogGroup::GetListArray()
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/iblock/classes/general/comp_pricetools.php:32
#6: CIBlockPriceTools::GetCatalogPrices(integer, array)
	/home/c/cw24974/primelamps.ru/public_html/bitrix/components/ak/catalog.section.lamps/component.php:441
#7: include(string)
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/main/classes/general/component.php:594
#8: CBitrixComponent->__includeComponent()
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/main/classes/general/component.php:653
#9: CBitrixComponent->includeComponent(string, array, NULL)
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/main/classes/general/main.php:1037
#10: CAllMain->IncludeComponent(string, string, array)
	/home/c/cw24974/primelamps.ru/public_html/catalog/index.php:80
#11: include_once(string)
	/home/c/cw24974/primelamps.ru/public_html/bitrix/modules/main/include/urlrewrite.php:159
#12: include_once(string)
	/home/c/cw24974/primelamps.ru/public_html/bitrix/urlrewrite.php:2