[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SET NAMES 'utf8'
/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, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:379
#2: Bitrix\Main\DB\Connection->queryExecute(string)
	/home/bitrix/www/bitrix/php_interface/after_connect_d7.php:3
#3: include(string)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:984
#4: Bitrix\Main\DB\Connection->afterConnected()
	/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:81
#5: Bitrix\Main\DB\MysqliConnection->connectInternal()
	/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:122
#6: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330
#7: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3304
#8: Bitrix\Main\ORM\Query\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:816
#9: Bitrix\Main\ORM\Query\Query->exec()
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:500
#10: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:361
#11: Bitrix\Main\ORM\Data\DataManager::getByPrimary(array)
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:376
#12: Bitrix\Main\ORM\Data\DataManager::getById(integer)
	/home/bitrix/www/bitrix/modules/highloadblock/lib/highloadblock.php:333
#13: Bitrix\Highloadblock\HighloadBlockTable::resolveHighloadblock(integer)
	/home/bitrix/www/bitrix/modules/highloadblock/lib/highloadblock.php:369
#14: Bitrix\Highloadblock\HighloadBlockTable::compileEntity(integer)
	/home/bitrix/www/local/php_interface/events/catalog.php:30
#15: include_once(string)
	/home/bitrix/www/local/php_interface/events/main.php:26
#16: include_once(string)
	/home/bitrix/www/local/php_interface/init.php:53
#17: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include.php:241
#18: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#19: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#20: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#21: require(string)
	/home/bitrix/www/catalog/index.php:3
#22: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#23: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2