DB query error. Please try later.

( ! ) Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 137
Call Stack
#	Time	Memory	Function	Location
1	0.0134	362688	{main}( )	.../urlrewrite.php:0
2	0.0145	363584	include_once( '/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php' )	.../urlrewrite.php:2
3	0.0274	385112	include_once( '/home/bitrix/www/catalog/index.php' )	.../urlrewrite.php:159
4	0.9650	5147408	CMain->IncludeComponent( )	.../index.php:234
5	0.9654	5160592	CBitrixComponent->includeComponent( )	.../main.php:1046
6	0.9657	5208440	W247CatalogsComponent->executeComponent( )	.../component.php:656
7	0.9893	5228576	W247CatalogsComponent->includeComponentTemplate( )	.../class.php:268
8	0.9920	5230072	W247CatalogsComponent->showComponentTemplate( )	.../component.php:712
9	0.9920	5230104	CBitrixComponentTemplate->IncludeTemplate( )	.../component.php:764
10	0.9921	5231416	CBitrixComponentTemplate->__IncludePHPTemplate( )	.../component_template.php:884
11	0.9921	5232920	include( '/home/bitrix/www/local/components/w247.catalogs/catalog/templates/.default/section.php' )	.../component_template.php:789
12	1.5625	5303712	CMain->IncludeComponent( )	.../section.php:2393
13	1.6221	5316144	CBitrixComponent->includeComponent( )	.../main.php:1046
14	1.6880	5323392	CBitrixCatalogSmartFilter->executeComponent( )	.../component.php:656
15	1.8764	5323016	CBitrixCatalogSmartFilter->executeComponent( )	.../class.php:138
16	1.8764	5323016	CBitrixCatalogSmartFilter->__includeComponent( )	.../component.php:103
17	1.8798	5334280	include( '/home/bitrix/www/bitrix/components/w247.catalogs/catalog.smart.filter/component.php' )	.../component.php:605
18	1.8887	5340848	CBitrixCatalogSmartFilter->getResultItems( )	.../component.php:33
19	1.8887	5340848	CBitrixCatalogSmartFilter->getIBlockItems( )	.../class.php:254
20	2.2289	5921968	CAllIBlockProperty::GetByID( )	.../class.php:157
21	2.2289	5922864	CDatabase->Query( )	.../iblockproperty.php:635
( ! ) Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 137
Call Stack
#	Time	Memory	Function	Location
1	0.0134	362688	{main}( )	.../urlrewrite.php:0
2	0.0145	363584	include_once( '/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php' )	.../urlrewrite.php:2
3	0.0274	385112	include_once( '/home/bitrix/www/catalog/index.php' )	.../urlrewrite.php:159
4	0.9650	5147408	CMain->IncludeComponent( )	.../index.php:234
5	0.9654	5160592	CBitrixComponent->includeComponent( )	.../main.php:1046
6	0.9657	5208440	W247CatalogsComponent->executeComponent( )	.../component.php:656
7	0.9893	5228576	W247CatalogsComponent->includeComponentTemplate( )	.../class.php:268
8	0.9920	5230072	W247CatalogsComponent->showComponentTemplate( )	.../component.php:712
9	0.9920	5230104	CBitrixComponentTemplate->IncludeTemplate( )	.../component.php:764
10	0.9921	5231416	CBitrixComponentTemplate->__IncludePHPTemplate( )	.../component_template.php:884
11	0.9921	5232920	include( '/home/bitrix/www/local/components/w247.catalogs/catalog/templates/.default/section.php' )	.../component_template.php:789
12	1.5625	5303712	CMain->IncludeComponent( )	.../section.php:2393
13	1.6221	5316144	CBitrixComponent->includeComponent( )	.../main.php:1046
14	1.6880	5323392	CBitrixCatalogSmartFilter->executeComponent( )	.../component.php:656
15	1.8764	5323016	CBitrixCatalogSmartFilter->executeComponent( )	.../class.php:138
16	1.8764	5323016	CBitrixCatalogSmartFilter->__includeComponent( )	.../component.php:103
17	1.8798	5334280	include( '/home/bitrix/www/bitrix/components/w247.catalogs/catalog.smart.filter/component.php' )	.../component.php:605
18	1.8887	5340848	CBitrixCatalogSmartFilter->getResultItems( )	.../component.php:33
19	1.8887	5340848	CBitrixCatalogSmartFilter->getIBlockItems( )	.../class.php:254
20	2.2289	5921968	CAllIBlockProperty::GetByID( )	.../class.php:157
21	2.2289	5922864	CDatabase->Query( )	.../iblockproperty.php:635
22	2.2330	6019008	CAllMain::{closure:/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3419-3426}( )	.../main.php:0
23	2.2330	6019032	ob_end_flush ( )	.../main.php:3424
24	2.2330	6019704	CMain->EndBufferContent( )	.../main.php:3424
25	2.2330	6020776	ExecuteModuleEventEx( )	.../main.php:3172
26	2.2333	6020080	Bitrix\Main\Analytics\Counter::onBeforeEndBufferContent( )	.../module.php:480
27	2.2353	6020224	Bitrix\Main\Analytics\SiteSpeed::isIntranetSite( )	.../counter.php:92
28	2.2353	6020224	Bitrix\Main\ORM\Data\DataManager::getList( )	.../sitespeed.php:95
29	2.2353	6021648	Bitrix\Main\ORM\Query\Query->exec( )	.../datamanager.php:500
30	2.2356	6025096	Bitrix\Main\ORM\Query\Query->query( )	.../query.php:825
31	2.2356	6025096	Bitrix\Main\DB\MysqliConnection->query( )	.../query.php:3357
32	2.2356	6025096	Bitrix\Main\DB\MysqliConnection->queryInternal( )	.../connection.php:330