[Exception] 
error in stream_select (0)
/home/bitrix/www/bitrix/modules/w247.main/lib/threads.php:140
#0: W247\Main\Threads->readStreams()
	/home/bitrix/www/bitrix/modules/w247.wssync/lib/catalog.php:402
#1: W247\Wssync\Catalog->getNomCount(string, array)
	/home/bitrix/www/bitrix/modules/w247.wssync/lib/sections.php:468
#2: W247\Wssync\Sections->setCarCount(string, string)
	/home/bitrix/www/bitrix/modules/w247.wssync/lib/sef.php:441
#3: W247\Wssync\Sef->checkSection()
	/home/bitrix/www/bitrix/modules/w247.wssync/lib/sef.php:288
#4: W247\Wssync\Sef->parseUrl(string)
	/home/bitrix/www/bitrix/components/w247.wssync/ws.catalog/class.php:177
#5: W247WsCatalogComponent->processRequest()
	/home/bitrix/www/bitrix/components/w247.wssync/ws.catalog/class.php:245
#6: W247WsCatalogComponent->executeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:648
#7: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#8: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/home/bitrix/www/ws_catalog/index.php:71
#9: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#10: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /home/bitrix/www/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('\n\t\t\t\tSELECT NAM...', Array, NULL) #1 /home/bitrix/www/bitrix/modules/main/lib/config/option.php(196): Bitrix\Main\DB\Connection->query('\n\t\t\t\tSELECT NAM...') #2 /home/bitrix/www/bitrix/modules/main/lib/config/option.php(38): Bitrix\Main\Config\Option::load('extranet') #3 /home/bitrix/www/bitrix/modules/main/lib/analytics/sitespeed.php(105): Bitrix\Main\Config\Option::get('extranet', 'extranet_site', false) #4 /home/bitrix/www/bitrix/modules/main/lib/analytics/counter.php(92): Bitrix\Main\Analytics\SiteSpeed::isIntranetSite('s1') #5 /home/bitrix/www/bitrix/modules/main/classes/general/module.php(490): Bitrix\Main\Analytics\Counter::onBeforeEndBufferContent() #6 /home/bitrix/www/bitrix/modules/main/classes/gene in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 137