[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`zverushki_buyone_buyone`.`CODE` AS `CODE`,
	`zverushki_buyone_buyone`.`VALUE` AS `VALUE`,
	`zverushki_buyone_buyone`.`ID` AS `UALIAS_0`
FROM `zverushki_buyone` `zverushki_buyone_buyone` 

WHERE UPPER(`zverushki_buyone_buyone`.`SITE_ID`) like upper('s1')
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3304
#2: Bitrix\Main\ORM\Query\Query->query
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:816
#3: Bitrix\Main\ORM\Query\Query->exec
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList
	/home/bitrix/www/bitrix/modules/zverushki.buyone/lib/options.php:39
#5: Zverushki\Buyone\Options->__construct
	/home/bitrix/www/bitrix/modules/zverushki.buyone/lib/options.php:66
#6: Zverushki\Buyone\Options::getEntity
	/home/bitrix/www/bitrix/modules/zverushki.buyone/lib/data.php:27
#7: Zverushki\Buyone\Data->__construct
	/home/bitrix/www/bitrix/modules/zverushki.buyone/lib/data.php:38
#8: Zverushki\Buyone\Data::createEntity
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:475
#9: ExecuteModuleEventEx
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3485
#10: CAllMain::PrologActions
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:16
#11: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#12: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#13: require(string)
	/home/bitrix/www/catalog/section.php:8
#14: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#15: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2