[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`synpaw_seofilter_landing`.`ID` AS `ID`,
	`synpaw_seofilter_landing`.`PICTURE` AS `PICTURE`,
	`synpaw_seofilter_landing`.`HIGH_PRIORITY` AS `HIGH_PRIORITY`,
	`synpaw_seofilter_landing`.`ACTIVE` AS `ACTIVE`,
	`synpaw_seofilter_landing`.`TEMPLATE` AS `TEMPLATE`,
	`synpaw_seofilter_landing`.`TEMPLATE_ID` AS `TEMPLATE_ID`,
	`synpaw_seofilter_landing`.`SITES_ID` AS `SITES_ID`,
	`synpaw_seofilter_landing`.`IBLOCK_ID` AS `IBLOCK_ID`,
	`synpaw_seofilter_landing`.`SECTION_ID` AS `SECTION_ID`,
	`synpaw_seofilter_landing`.`DATE_CREATE` AS `DATE_CREATE`,
	`synpaw_seofilter_landing`.`DATE_UPDATE` AS `DATE_UPDATE`,
	`synpaw_seofilter_landing`.`CREATED_BY` AS `CREATED_BY`,
	`synpaw_seofilter_landing`.`MODIFIED_BY` AS `MODIFIED_BY`,
	`synpaw_seofilter_landing`.`UNPACK` AS `UNPACK`,
	`synpaw_seofilter_landing`.`CONDITIONS` AS `CONDITIONS`,
	`synpaw_seofilter_landing`.`PROPERTIES` AS `PROPERTIES`,
	`synpaw_seofilter_landing`.`PROPERTY_COUNT` AS `PROPERTY_COUNT`,
	`synpaw_seofilter_landing`.`TITLE` AS `TITLE`,
	`synpaw_seofilter_landing`.`H1` AS `H1`,
	`synpaw_seofilter_landing`.`META_DESCRIPTION` AS `META_DESCRIPTION`,
	`synpaw_seofilter_landing`.`META_KEYWORDS` AS `META_KEYWORDS`,
	`synpaw_seofilter_landing`.`INDEX` AS `INDEX`,
	`synpaw_seofilter_landing`.`BREADCRUMB_NAME` AS `BREADCRUMB_NAME`,
	`synpaw_seofilter_landing`.`SECTION_ELEMENT_RULE` AS `SECTION_ELEMENT_RULE`,
	`synpaw_seofilter_landing`.`ELEMENT_IL_TYPE` AS `ELEMENT_IL_TYPE`,
	`synpaw_seofilter_landing`.`ELEMENT_IL_TEXT` AS `ELEMENT_IL_TEXT`,
	`synpaw_seofilter_landing`.`FILTER_ATTR_VALUE` AS `FILTER_ATTR_VALUE`,
	`synpaw_seofilter_landing`.`CONTENT` AS `CONTENT`,
	`synpaw_seofilter_landing`.`CONTENT_HEADER` AS `CONTENT_HEADER`,
	`synpaw_seofilter_landing`.`CONTENT_BOTTOM` AS `CONTENT_BOTTOM`,
	`synpaw_seofilter_landing`.`URL` AS `URL`,
	`synpaw_seofilter_landing`.`REAL_URL` AS `REAL_URL`
FROM `b_spw_landing` `synpaw_seofilter_landing` 

WHERE UPPER(`synpaw_seofilter_landing`.`ACTIVE`) like upper('Y')
AND `synpaw_seofilter_landing`.`REAL_URL` = '/category/asbestotsementnaya_truba/page.htmlis--result'
ORDER BY `synpaw_seofilter_landing`.`TEMPLATE_ID` ASC
LIMIT 0, 1

/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/entity/query.php:1924
#2: Bitrix\Main\Entity\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/entity/query.php:505
#3: Bitrix\Main\Entity\Query->exec()
	/home/bitrix/www/bitrix/modules/main/lib/entity/datamanager.php:256
#4: Bitrix\Main\Entity\DataManager::getList(array)
	/home/bitrix/www/bitrix/modules/synpaw.seofilter/lib/landing.php:503
#5: SynPaw\SeoFilter\LandingTable::getByRealUrl(string)
	/home/bitrix/www/bitrix/modules/synpaw.seofilter/include.php:61
#6: CSynPawEvent::OnPageStart()
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:490
#7: ExecuteModuleEventEx(array)
	/home/bitrix/www/bitrix/modules/main/include.php:267
#8: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:16
#9: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#10: require_once(string)
	/home/bitrix/www/bitrix/header.php:3
#11: require(string)
	/home/bitrix/www/category/index.php:9
#12: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#13: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2