[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`catalog_group`.`ID` AS `ID`
FROM `b_catalog_group` `catalog_group` 

WHERE UPPER(`catalog_group`.`BASE`) like upper('Y')
/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/lib/entity/query.php:1821
#2: Bitrix\Main\Entity\Query->query(string)
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/lib/entity/query.php:454
#3: Bitrix\Main\Entity\Query->exec()
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/lib/entity/datamanager.php:242
#4: Bitrix\Main\Entity\DataManager::getList(array)
	/var/www/tweedroom/data/www/tweedroom.com/local/php_interface/classes/SiteWrapper.php:506
#5: SiteWrapper::getPriceFieldSort()
	/var/www/tweedroom/data/www/tweedroom.com/local/php_interface/classes/SiteWrapper.php:497
#6: SiteWrapper::setSortCatalogField()
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/classes/general/module.php:475
#7: ExecuteModuleEventEx(array)
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/classes/general/main.php:3546
#8: CAllMain::PrologActions()
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/include/prolog_before.php:16
#9: require_once(string)
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/include/prolog.php:10
#10: require_once(string)
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/header.php:1
#11: require(string)
	/var/www/tweedroom/data/www/tweedroom.com/blog/index.php:2
#12: include_once(string)
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/modules/main/include/urlrewrite.php:159
#13: include_once(string)
	/var/www/tweedroom/data/www/tweedroom.com/bitrix/urlrewrite.php:2