[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT VALUE FROM b_iblock_29_index_val WHERE ID = 2
LIMIT 0, 1

/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, NULL, NULL)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string, NULL, integer, integer)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/connection.php:358
#2: Bitrix\Main\DB\Connection->queryScalar(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/iblock/lib/propertyindex/dictionary.php:167
#3: Bitrix\Iblock\PropertyIndex\Dictionary->getStringById(integer)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/iblock/lib/propertyindex/facet.php:129
#4: Bitrix\Iblock\PropertyIndex\Facet->lookupDictionaryValue(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/components/bitrix/catalog.smart.filter/class.php:413
#5: CBitrixCatalogSmartFilter->fillItemPrices(array, array)
	/home/bitrix/ext_www/megavanna.ru/bitrix/components/bitrix/catalog.smart.filter/component.php:112
#6: include(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:605
#7: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:103
#8: CBitrixComponent->executeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/components/bitrix/catalog.smart.filter/class.php:138
#9: CBitrixCatalogSmartFilter->executeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:656
#10: CBitrixComponent->includeComponent(string, array, object, boolean)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/main.php:1041
#11: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/ext_www/megavanna.ru/bitrix/templates/mega/components/bitrix/catalog/main/filter.php:21
#12: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/templates/mega/components/bitrix/catalog/main/page_blocks/list_elements_1.php:249
#13: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/templates/mega/components/bitrix/catalog/main/section.php:489
#14: include(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component_template.php:789
#15: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component_template.php:884
#16: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:764
#17: CBitrixComponent->showComponentTemplate()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:712
#18: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/components/bitrix/catalog/component.php:171
#19: include(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:605
#20: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:680
#21: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/main.php:1041
#22: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/ext_www/megavanna.ru/catalog/index.php:1097
#23: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/include/urlrewrite.php:159
#24: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/urlrewrite.php:2

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('SELECT \n\t`main_...', Array, NULL) #1 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/query/query.php(3398): Bitrix\Main\DB\Connection->query('SELECT \n\t`main_...') #2 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/query/query.php(825): Bitrix\Main\ORM\Query\Query->query('SELECT \n\t`main_...') #3 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/data/datamanager.php(500): Bitrix\Main\ORM\Query\Query->exec() #4 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/analytics/sitespeed.php(95): Bitrix\Main\ORM\Data\DataManager::getList(Array) #5 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/analytics/counter.php(92): Bitrix\Main in /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/mysqliconnection.php on line 137