[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT * FROM `tdrd_log` LIMIT 0
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string)
	/home/bitrix/www/bitrix/modules/main/lib/db/mysqlcommonconnection.php:140
#1: Bitrix\Main\DB\MysqlCommonConnection->getTableFields(string)
	/home/bitrix/www/bitrix/modules/main/lib/db/sqlhelper.php:304
#2: Bitrix\Main\DB\SqlHelper->prepareInsert(string, array)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:448
#3: Bitrix\Main\DB\Connection->add(string, array, string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:929
#4: Bitrix\Main\ORM\Data\DataManager::add(array)
	/home/bitrix/www/bitrix/modules/techdir.redirector/log-master.php:74
#5: TdrdLog::addRecord(integer, string, string, string, string, string, array)
	/home/bitrix/www/bitrix/modules/techdir.redirector/rule-master.php:324
#6: TdrdRuleMaster::doAction(string, array, boolean)
	/home/bitrix/www/bitrix/modules/techdir.redirector/include.php:746
#7: TDRedirector::onBeforeProlog()
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:490
#8: ExecuteModuleEventEx(array)
	/home/bitrix/www/bitrix/modules/main/include.php:577
#9: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:16
#10: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#11: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#12: require(string)
	/home/bitrix/www/catalog/index.php:5
#13: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#14: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2