[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT o.SITE_ID, o.MODULE_ID, o.NAME, o.VALUE FROM b_option o 
/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:329
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/config/option.php:182
#2: Bitrix\Main\Config\Option::load(string, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/config/option.php:53
#3: Bitrix\Main\Config\Option::get(string, string, string)
	/home/bitrix/www/bitrix/modules/main/lib/httprequest.php:337
#4: Bitrix\Main\HttpRequest->prepareCookie(array)
	/home/bitrix/www/bitrix/modules/main/lib/httprequest.php:63
#5: Bitrix\Main\HttpRequest->__construct(object, array, array, array, array)
	/home/bitrix/www/bitrix/modules/main/lib/httpapplication.php:42
#6: Bitrix\Main\HttpApplication->initializeContext(array)
	/home/bitrix/www/bitrix/modules/main/lib/application.php:122
#7: Bitrix\Main\Application->initializeExtendedKernel(array)
	/home/bitrix/www/bitrix/modules/main/include.php:23
#8: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#9: require_once(string)
	/home/bitrix/www/bitrix/rk.php:7