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

					SELECT
						F.FACET_ID
						,F.VALUE
						,MIN(F.VALUE_NUM) MIN_VALUE_NUM
						,MAX(F.VALUE_NUM) MAX_VALUE_NUM
						,MAX(case when LOCATE('.', F.VALUE_NUM) > 0 then LENGTH(SUBSTRING_INDEX(F.VALUE_NUM, '.', -1)) else 0 end) VALUE_FRAC_LEN
						,COUNT(DISTINCT F.ELEMENT_ID) ELEMENT_COUNT
					FROM
						
			b_iblock B
			INNER JOIN b_lang L ON B.LID=L.LID
			INNER JOIN b_iblock_element BE ON BE.IBLOCK_ID = B.ID
			LEFT JOIN b_iblock_property FP0 ON FP0.IBLOCK_ID = B.ID AND  FP0.CODE='TOLKO_V_KOMPLEKTE'
			LEFT JOIN b_iblock_element_property FPV0 ON FPV0.IBLOCK_PROPERTY_ID = FP0.ID AND FPV0.IBLOCK_ELEMENT_ID = BE.ID
			LEFT JOIN b_iblock_property_enum FPEN0 ON FPEN0.PROPERTY_ID = FPV0.IBLOCK_PROPERTY_ID AND FPV0.VALUE_ENUM = FPEN0.ID
 left join b_catalog_price CAT_P3 on (CAT_P3.PRODUCT_ID = BE.ID AND CAT_P3.CATALOG_GROUP_ID = 3)  left join b_catalog_price CAT_P15 on (CAT_P15.PRODUCT_ID = BE.ID AND CAT_P15.CATALOG_GROUP_ID = 15)  left join b_catalog_product CAT_PR on (CAT_PR.ID = BE.ID)  left join b_catalog_iblock CAT_IB on ((CAT_PR.VAT_ID IS NULL OR CAT_PR.VAT_ID = 0) AND CAT_IB.IBLOCK_ID = BE.IBLOCK_ID)  left join b_catalog_vat CAT_VAT on (CAT_VAT.ID = IF((CAT_PR.VAT_ID IS NULL OR CAT_PR.VAT_ID = 0), CAT_IB.VAT_ID, CAT_PR.VAT_ID))  left join b_catalog_store_product CAT_SP1 on (CAT_SP1.PRODUCT_ID = BE.ID and CAT_SP1.STORE_ID = 1) 

		
							INNER JOIN b_iblock_4_index F ON BE.ID = F.ELEMENT_ID
					WHERE
						F.SECTION_ID = 109
						and F.FACET_ID in (3404,1316,1584,1432,1352,1354,1372,3388,1330,1338,3320,1344,1370,1384,1402,1592,1598,1418,1426,1436,1446,1652,1738,1742,1744,1748,1754,1722,1812,1834,1838,1840,2024,2096,3316,31)
						
			AND (
			
				(((BE.ACTIVE_TO >= now() OR BE.ACTIVE_TO IS NULL) AND (BE.ACTIVE_FROM <= now() OR BE.ACTIVE_FROM IS NULL)))
				AND ((((CAT_P15.PRICE > '0'))))
				AND ((((CAT_P3.PRICE > '0'))))
				AND (
				
					(
					
						((((CAT_SP1.AMOUNT > '0'))))
					)
					OR (
					
						((((CAT_SP1.AMOUNT = '-1'))))
					)
				)
				AND ((((BE.IBLOCK_ID = '4'))))
				AND ((( FPEN0.VALUE IS NULL OR NOT (FPEN0.VALUE LIKE 'Да'))))
			)
			AND (((BE.WF_STATUS_ID=1 AND BE.WF_PARENT_ELEMENT_ID IS NULL)))
					GROUP BY
						F.FACET_ID, F.VALUE
				
/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:329
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/iblock/lib/propertyindex/facet.php:340
#2: Bitrix\Iblock\PropertyIndex\Facet->query(array)
	/home/bitrix/www/bitrix/components/dvt.santeh/catalog.smart.filter/component.php:63
#3: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:551
#4: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:99
#5: CBitrixComponent->executeComponent()
	/home/bitrix/www/bitrix/components/dvt.santeh/catalog.smart.filter/class.php:86
#6: CBitrixCatalogSmartFilter->executeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:588
#7: CBitrixComponent->includeComponent(string, array, object)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1041
#8: CAllMain->IncludeComponent(string, string, array, object, array)
	/home/bitrix/www/bitrix/templates/santmag/components/bitrix/catalog/sant/section.php:303
#9: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:720
#10: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:815
#11: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:685
#12: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:633
#13: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/www/bitrix/components/bitrix/catalog/component.php:169
#14: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:551
#15: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:603
#16: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1041
#17: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/catalog/index.php:1791
#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