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

				SELECT TAG
				FROM b_cache_tag
				WHERE SITE_ID = 's1'
				AND CACHE_SALT = '/59d'
				AND RELATIVE_PATH = '/s1/bitrix/menu/06f'
			
/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/lib/db/mysqlconnection.php:116
#0: Bitrix\Main\DB\MysqlConnection->queryInternal(string, array, NULL)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/lib/data/taggedcache.php:52
#2: Bitrix\Main\Data\TaggedCache->initDbCache(string)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/lib/data/taggedcache.php:98
#3: Bitrix\Main\Data\TaggedCache->endTagCache()
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/classes/general/cache.php:463
#4: CCacheManager->EndTagCache()
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/classes/general/component.php:1023
#5: CBitrixComponent->endResultCache()
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/components/bitrix/menu/component.php:108
#6: include(string)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/classes/general/component.php:548
#7: CBitrixComponent->__includeComponent()
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/classes/general/component.php:94
#8: CBitrixComponent->executeComponent()
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/classes/general/component.php:585
#9: CBitrixComponent->includeComponent(string, array, NULL)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/classes/general/main.php:1035
#10: CAllMain->IncludeComponent(string, string, array)
	/var/www/vokruglamp/data/www/vokruglamp.ru/local/templates/vokruglamp_new2/header.php:225
#11: include_once(string)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/include/prolog_after.php:96
#12: require(string)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/include/prolog.php:11
#13: require_once(string)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/header.php:1
#14: require(string)
	/var/www/vokruglamp/data/www/vokruglamp.ru/catalog/index.php:10
#15: include_once(string)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/modules/main/include/urlrewrite.php:159
#16: include_once(string)
	/var/www/vokruglamp/data/www/vokruglamp.ru/bitrix/urlrewrite.php:2