[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/bitrix/menu/345'
			
/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/data/taggedcache.php:55
#2: Bitrix\Main\Data\TaggedCache->initDbCache(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/data/taggedcache.php:107
#3: Bitrix\Main\Data\TaggedCache->endTagCache()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/cache.php:463
#4: CCacheManager->EndTagCache()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:1191
#5: CBitrixComponent->endResultCache()
	/home/bitrix/ext_www/megavanna.ru/bitrix/components/bitrix/menu/component.php:109
#6: include(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:605
#7: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:103
#8: CBitrixComponent->executeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:656
#9: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/main.php:1041
#10: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/ext_www/megavanna.ru/bitrix/templates/mega/page_blocks/footer/footer_1.php:26
#11: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/aspro.max/classes/general/CMax.php:198
#12: CMax::ShowPageType(string)
	/home/bitrix/ext_www/megavanna.ru/include/footer_include/top_footer.php:25
#13: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/templates/mega/footer.php:32
#14: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/include/epilog_before.php:93
#15: require(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/include/epilog.php:2
#16: require_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/footer.php:4
#17: require(string)
	/home/bitrix/ext_www/megavanna.ru/catalog/index.php:1098
#18: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/include/urlrewrite.php:159
#19: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/urlrewrite.php:2

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('SELECT \n\t`main_...', Array, NULL) #1 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/query/query.php(3398): Bitrix\Main\DB\Connection->query('SELECT \n\t`main_...') #2 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/query/query.php(825): Bitrix\Main\ORM\Query\Query->query('SELECT \n\t`main_...') #3 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/data/datamanager.php(500): Bitrix\Main\ORM\Query\Query->exec() #4 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/analytics/sitespeed.php(95): Bitrix\Main\ORM\Data\DataManager::getList(Array) #5 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/analytics/counter.php(92): Bitrix\Main in /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/mysqliconnection.php on line 137