[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: MySQL server has gone away (400)
SET NAMES 'utf8'
/usr/local/share/bitrix/modules/main/lib/db/mysqlconnection.php:104
#0: Bitrix\Main\DB\MysqlConnection->queryInternal(string, array, NULL)
	/usr/local/share/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string, NULL)
	/usr/local/share/bitrix/modules/main/lib/db/connection.php:378
#2: Bitrix\Main\DB\Connection->queryExecute(string)
	/usr/local/share/bitrix/php_interface/after_connect_d7.php:3
#3: include(string)
	/usr/local/share/bitrix/modules/main/lib/db/mysqlconnection.php:52
#4: Bitrix\Main\DB\MysqlConnection->connectInternal()
	/usr/local/share/bitrix/modules/main/lib/db/mysqlconnection.php:91
#5: Bitrix\Main\DB\MysqlConnection->queryInternal(string, array, NULL)
	/usr/local/share/bitrix/modules/main/lib/db/connection.php:329
#6: Bitrix\Main\DB\Connection->query(string)
	/usr/local/share/bitrix/modules/main/lib/config/option.php:150
#7: Bitrix\Main\Config\Option::load(string, NULL)
	/usr/local/share/bitrix/modules/main/lib/config/option.php:36
#8: Bitrix\Main\Config\Option::get(string, string, string)
	/usr/local/share/bitrix/modules/main/lib/httprequest.php:329
#9: Bitrix\Main\HttpRequest->prepareCookie(array)
	/usr/local/share/bitrix/modules/main/lib/httprequest.php:63
#10: Bitrix\Main\HttpRequest->__construct(object, array, array, array, array)
	/usr/local/share/bitrix/modules/main/lib/httpapplication.php:43
#11: Bitrix\Main\HttpApplication->initializeContext(array)
	/usr/local/share/bitrix/modules/main/lib/application.php:122
#12: Bitrix\Main\Application->initializeExtendedKernel(array)
	/usr/local/share/bitrix/modules/main/include.php:24
#13: require_once(string)
	/usr/local/share/bitrix/modules/main/include/prolog_before.php:14
#14: require_once(string)
	/usr/local/share/bitrix/modules/main/include/prolog.php:10
#15: require_once(string)
	/usr/local/share/bitrix/header.php:1
#16: require(string)
	/var/www/vhosts/commonsite/structure.php:2
#17: include_once(string)
	/usr/local/share/bitrix/modules/main/include/urlrewrite.php:159
#18: include_once(string)
	/usr/local/share/bitrix/urlrewrite.php:2