[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`n_az_na_ch_en_ie`.`UF_XML_ID` AS `UF_XML_ID`,
	`n_az_na_ch_en_ie`.`UF_NAME` AS `UF_NAME`,
	`n_az_na_ch_en_ie`.`UF_FILE` AS `UF_FILE`,
	`n_az_na_ch_en_ie`.`UF_SORT` AS `UF_SORT`,
	`n_az_na_ch_en_ie`.`ID` AS `UALIAS_0`
FROM `b_naznachenie` `n_az_na_ch_en_ie` 

WHERE `n_az_na_ch_en_ie`.`UF_XML_ID` = '29615afa-c023-11ea-f88b-005056bdce03'
ORDER BY `UF_SORT` ASC, `UF_NAME` ASC, `UALIAS_0` ASC
/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:3357
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:825
#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/highloadblock/classes/general/prop_directory.php:808
#5: CIBlockPropertyDirectory::getEntityFieldsByFilter(string, array)
	/home/bitrix/www/bitrix/modules/highloadblock/classes/general/prop_directory.php:535
#6: CIBlockPropertyDirectory::GetExtendedValue(array, array)
	/home/bitrix/www/bitrix/modules/highloadblock/classes/general/prop_directory.php:614
#7: CIBlockPropertyDirectory::GetPublicViewHTML(array, array, array)
	/home/bitrix/www/bitrix/modules/iblock/classes/general/comp_formatprops.php:52
#8: CIBlockFormatProperties::GetDisplayValue(array, array, string)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/element.php:585
#9: Bitrix\Iblock\Component\Element->modifyDisplayProperties(integer, array)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:798
#10: Bitrix\Iblock\Component\Base->initElementList()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4048
#11: Bitrix\Iblock\Component\Base->processResultData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/element.php:286
#12: Bitrix\Iblock\Component\Element->processResultData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4551
#13: Bitrix\Iblock\Component\Base->loadData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4540
#14: Bitrix\Iblock\Component\Base->initialLoadAction()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/element.php:271
#15: Bitrix\Iblock\Component\Element->initialLoadAction()
	
#16: call_user_func(array)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4725
#17: Bitrix\Iblock\Component\Base->doAction()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4743
#18: Bitrix\Iblock\Component\Base->executeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:656
#19: CBitrixComponent->includeComponent(string, array, object, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#20: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/www/bitrix/templates/magnet_s2/components/bitrix/catalog/main/element.php:235
#21: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:789
#22: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:884
#23: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:764
#24: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:712
#25: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/www/bitrix/components/bitrix/catalog/component.php:171
#26: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:605
#27: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:680
#28: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#29: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/ext_www/s2/index.php:782
#30: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#31: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2