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

				SELECT TAG
				FROM b_cache_tag
				WHERE SITE_ID = 's2'
				AND CACHE_SALT = '/e25'
				AND RELATIVE_PATH = '/s2/bitrix/menu/06f'
			
/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:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/data/taggedcache.php:55
#2: Bitrix\Main\Data\TaggedCache->initDbCache(string)
	/home/bitrix/www/bitrix/modules/main/lib/data/taggedcache.php:107
#3: Bitrix\Main\Data\TaggedCache->endTagCache()
	/home/bitrix/www/bitrix/modules/main/classes/general/cache.php:463
#4: CCacheManager->EndTagCache()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:1191
#5: CBitrixComponent->endResultCache()
	/home/bitrix/www/bitrix/components/bitrix/menu/component.php:109
#6: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:605
#7: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:103
#8: CBitrixComponent->executeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:656
#9: CBitrixComponent->includeComponent(string, array, NULL, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#10: CAllMain->IncludeComponent(string, string, array)
	/home/bitrix/www/bitrix/templates/magnet_s2/page_blocks/header/custom.php:76
#11: include(string)
	/home/bitrix/www/bitrix/modules/nextype.magnet/classes/general/csolution.php:152
#12: Nextype\Magnet\CSolution::ShowPageBlock(string)
	/home/bitrix/www/bitrix/templates/magnet_s2/header.php:106
#13: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_after.php:106
#14: require(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:11
#15: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#16: require(string)
	/home/bitrix/ext_www/s2/index.php:2
#17: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#18: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2