[intec\core\db\Exception] 
SQLSTATE[HY000]: General error: 2006 MySQL server has gone away
The SQL being executed was: SELECT * FROM `regionality_regions` WHERE `id`=4 (0)
/var/www/www-root/data/www/akvamatika.com/bitrix/modules/intec.core/classes/db/Schema.php:560
#0: intec\core\db\Schema->convertException(object, string)
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/intec.core/classes/db/Command.php:735
#1: intec\core\db\Command->queryInternal(string, NULL)
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/intec.core/classes/db/Command.php:292
#2: intec\core\db\Command->queryOne()
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/intec.core/classes/db/Query.php:170
#3: intec\core\db\Query->one(NULL)
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/intec.core/classes/db/ActiveQuery.php:258
#4: intec\core\db\ActiveQuery->one(NULL)
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/intec.core/classes/db/ActiveRecord.php:646
#5: intec\core\db\ActiveRecord->relation(string, object, boolean)
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/intec.regionality/classes/models/SiteSettings.php:225
#6: intec\regionality\models\SiteSettings->getRegion(boolean)
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/intec.regionality/classes/models/Region.php:331
#7: intec\regionality\models\Region::getDefault()
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/intec.regionality/classes/Callbacks.php:182
#8: intec\regionality\Callbacks::mainOnProlog()
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/classes/general/module.php:490
#9: ExecuteModuleEventEx(array)
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/classes/general/main.php:3481
#10: CAllMain::PrologActions()
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/include/prolog_before.php:16
#11: require_once(string)
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/include/prolog.php:10
#12: require_once(string)
	/var/www/www-root/data/www/akvamatika.com/bitrix/header.php:1
#13: require(string)
	/var/www/www-root/data/www/akvamatika.com/catalog/index.php:2
#14: include_once(string)
	/var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/include/urlrewrite.php:159
#15: include_once(string)
	/var/www/www-root/data/www/akvamatika.com/bitrix/urlrewrite.php:2

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('SELECT 'x' FROM...', Array, NULL) #1 /var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/lib/eventmanager.php(186): Bitrix\Main\DB\Connection->query('SELECT 'x' FROM...') #2 /var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/lib/eventmanager.php(152): Bitrix\Main\EventManager->registerEventHandlerInternal('sale', 'OnSaleOrderPaid', 'dw.deluxe', 'DwBonus', 'addBonus', 100, '', '', 2) #3 /var/www/www-root/data/www/akvamatika.com/bitrix/modules/dw.deluxe/include.php(21): Bitrix\Main\EventManager->registerEventHandler('sale', 'OnSaleOrderPaid', 'dw.deluxe', 'DwBonus', 'addBonus') #4 /var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/lib/load in /var/www/www-root/data/www/akvamatika.com/bitrix/modules/main/lib/db/mysqliconnection.php on line 137