[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)

				SELECT TAG
				FROM b_cache_tag
				WHERE SITE_ID = 's1'
				AND CACHE_SALT = '/59d'
				AND RELATIVE_PATH = '/s1/rsofficespace/menu.sections/06f'
			
/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/data/taggedcache.php:55
#2: Bitrix\Main\Data\TaggedCache->initDbCache
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/data/taggedcache.php:107
#3: Bitrix\Main\Data\TaggedCache->endTagCache
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/cache.php:463
#4: CCacheManager->EndTagCache
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:1191
#5: CBitrixComponent->endResultCache
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/rsofficespace/menu.sections/component.php:61
#6: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:605
#7: CBitrixComponent->__includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:680
#8: CBitrixComponent->includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:1063
#9: CAllMain->IncludeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/.catalog.menu_ext.php:20
#10: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/menu.php:115
#11: CMenu->Init
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/menu/component.php:53
#12: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:605
#13: CBitrixComponent->__includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:103
#14: CBitrixComponent->executeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:656
#15: CBitrixComponent->includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:1063
#16: CAllMain->IncludeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/templates/os/header.php:236
#17: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/include/prolog_after.php:106
#18: require(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/include/prolog.php:11
#19: require_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/header.php:1
#20: require(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/catalog/index.php:1
#21: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/include/urlrewrite.php:159
#22: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/urlrewrite.php:2