[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)

				SELECT NAME, VALUE 
				FROM b_option 
				WHERE MODULE_ID = 'iblock' 
			
/home/e/energon/delta-batt.com.by/public_html/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/e/energon/delta-batt.com.by/public_html/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/e/energon/delta-batt.com.by/public_html/bitrix/modules/main/lib/config/option.php:196
#2: Bitrix\Main\Config\Option::load(string)
	/home/e/energon/delta-batt.com.by/public_html/bitrix/modules/main/lib/config/option.php:38
#3: Bitrix\Main\Config\Option::get(string, string)
	/home/e/energon/delta-batt.com.by/public_html/bitrix/modules/iblock/lib/model/propertyfeature.php:489
#4: Bitrix\Iblock\Model\PropertyFeature::isEnabledFeatures()
	/home/e/energon/delta-batt.com.by/public_html/bitrix/modules/iblock/lib/component/base.php:387
#5: Bitrix\Iblock\Component\Base->onPrepareComponentParams(array)
	/home/e/energon/delta-batt.com.by/public_html/bitrix/modules/iblock/lib/component/elementlist.php:75
#6: Bitrix\Iblock\Component\ElementList->onPrepareComponentParams(array)
	/home/e/energon/delta-batt.com.by/public_html/bitrix/components/bitrix/catalog.section/class.php:37
#7: CatalogSectionComponent->onPrepareComponentParams(array)
	/home/e/energon/delta-batt.com.by/public_html/bitrix/modules/main/classes/general/component.php:643
#8: CBitrixComponent->includeComponent(string, array, boolean)
	/home/e/energon/delta-batt.com.by/public_html/bitrix/modules/main/classes/general/main.php:1039
#9: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/e/energon/delta-batt.com.by/public_html/prod/index.php:148