[Bitrix\Main\DB\SqlQueryException] Mysql query error: (2006) MySQL server has gone away (400) SET collation_connection = "utf8_unicode_ci" /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137 #0: Bitrix\Main\DB\MysqliConnection->queryInternal /home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330 #1: Bitrix\Main\DB\Connection->query /home/bitrix/www/bitrix/modules/main/lib/db/connection.php:379 #2: Bitrix\Main\DB\Connection->queryExecute /home/bitrix/www/bitrix/php_interface/after_connect_d7.php:4 #3: include(string) /home/bitrix/www/bitrix/modules/main/lib/db/connection.php:921 #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 /home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330 #7: Bitrix\Main\DB\Connection->query /home/bitrix/www/bitrix/modules/main/lib/config/option.php:226 #8: Bitrix\Main\Config\Option::load /home/bitrix/www/bitrix/modules/main/lib/config/option.php:53 #9: Bitrix\Main\Config\Option::get /home/bitrix/www/bitrix/modules/main/lib/httprequest.php:370 #10: Bitrix\Main\HttpRequest->prepareCookie /home/bitrix/www/bitrix/modules/main/lib/httprequest.php:68 #11: Bitrix\Main\HttpRequest->__construct /home/bitrix/www/bitrix/modules/main/lib/httpapplication.php:46 #12: Bitrix\Main\HttpApplication->initializeContext /home/bitrix/www/bitrix/modules/main/lib/application.php:122 #13: Bitrix\Main\Application->initializeExtendedKernel /home/bitrix/www/bitrix/modules/main/include.php:23 #14: require_once(string) /home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14 #15: require_once(string) /home/bitrix/www/bitrix/modules/main/include/prolog.php:10 #16: require_once(string) /home/bitrix/www/bitrix/header.php:1 #17: require(string) /home/bitrix/www/catalog/index.php:1 #18: include_once(string) /home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159 #19: include_once(string) /home/bitrix/www/bitrix/urlrewrite.php:2