[Bitrix\Main\DB\SqlQueryException] Mysql query error: (2006) MySQL server has gone away (400) SELECT `currency_currency`.`CURRENCY` AS `CURRENCY` FROM `b_catalog_currency` `currency_currency` WHERE `currency_currency`.`CURRENCY` = 'CURRENT_CURRENCY' /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:3306 #2: Bitrix\Main\ORM\Query\Query->query(string) /home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:817 #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/components/bitrix/catalog.smart.filter/class.php:111 #5: CBitrixCatalogSmartFilter->executeComponent() /home/bitrix/www/bitrix/modules/main/classes/general/component.php:649 #6: CBitrixComponent->includeComponent(string, array, object) /home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039 #7: CAllMain->IncludeComponent(string, string, array, object, array) /home/bitrix/www/local/templates/expert24_default/components/tesslab/catalog/main/section_vertical.php:82 #8: include(string) /home/bitrix/www/local/templates/expert24_default/components/tesslab/catalog/main/section.php:78 #9: include(string) /home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:789 #10: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string) /home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:884 #11: CBitrixComponentTemplate->IncludeTemplate(array) /home/bitrix/www/bitrix/modules/main/classes/general/component.php:746 #12: CBitrixComponent->showComponentTemplate() /home/bitrix/www/bitrix/modules/main/classes/general/component.php:694 #13: CBitrixComponent->includeComponentTemplate(string) /home/bitrix/www/local/components/tesslab/catalog/component.php:197 #14: include(string) /home/bitrix/www/bitrix/modules/main/classes/general/component.php:605 #15: CBitrixComponent->__includeComponent() /home/bitrix/www/bitrix/modules/main/classes/general/component.php:664 #16: CBitrixComponent->includeComponent(string, array, boolean) /home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039 #17: CAllMain->IncludeComponent(string, string, array, boolean) /home/bitrix/www/ua/catalog/index.php:530 #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