[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`techdir_modules_recaptcha_techdir_recaptcha_config`.`ID` AS `ID`,
	`techdir_modules_recaptcha_techdir_recaptcha_config`.`SITE_LID` AS `SITE_LID`,
	`techdir_modules_recaptcha_techdir_recaptcha_config`.`NAME` AS `NAME`,
	`techdir_modules_recaptcha_techdir_recaptcha_config`.`VALUE` AS `VALUE`
FROM `techdir_recaptcha_config` `techdir_modules_recaptcha_techdir_recaptcha_config` 

WHERE UPPER(`techdir_modules_recaptcha_techdir_recaptcha_config`.`SITE_LID`) like upper('s1')
/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)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3222
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:810
#3: Bitrix\Main\ORM\Query\Query->exec()
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/home/bitrix/www/bitrix/modules/techdir.recaptcha/lib/helper.php:24
#5: Techdir\Modules\Recaptcha\Helper::setConfig()
	/home/bitrix/www/bitrix/modules/techdir.recaptcha/lib/helper.php:79
#6: Techdir\Modules\Recaptcha\Helper::getIsEnabled()
	/home/bitrix/www/bitrix/modules/techdir.recaptcha/lib/form/form.php:123
#7: Techdir\Modules\Recaptcha\Form\Form::tryIsEnabled()
	/home/bitrix/www/bitrix/modules/techdir.recaptcha/lib/form/form.php:189
#8: Techdir\Modules\Recaptcha\Form\Form::tryAll()
	/home/bitrix/www/bitrix/modules/techdir.recaptcha/lib/form/form.php:268
#9: Techdir\Modules\Recaptcha\Form\Form::checkReCaptcha()
	/home/bitrix/www/bitrix/modules/techdir.recaptcha/lib/events.php:24
#10: Techdir\Modules\Recaptcha\Events::checkReCaptcha()
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:490
#11: ExecuteModuleEventEx(array)
	/home/bitrix/www/bitrix/modules/main/include.php:291
#12: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:16
#13: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#14: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#15: require(string)
	/home/bitrix/www/catalog/index.php:5
#16: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#17: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2