[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`w247_catalogs_appliance_d_b`.`PRODUCT_ID` AS `PRODUCT_ID`,
	`w247_catalogs_appliance_d_b`.`ID` AS `UALIAS_0`
FROM `w247_appliance_2` `w247_catalogs_appliance_d_b` 

WHERE (
	UPPER(`w247_catalogs_appliance_d_b`.`BRAND`) like upper('kawasaki')
	AND `w247_catalogs_appliance_d_b`.`MODEL` = '0'
	AND `w247_catalogs_appliance_d_b`.`MODIFICATION` = '0'
)
OR (
	UPPER(`w247_catalogs_appliance_d_b`.`BRAND`) like upper('kawasaki')
	AND UPPER(`w247_catalogs_appliance_d_b`.`MODEL`) like upper('kawasaki_kss85zv2')
	AND `w247_catalogs_appliance_d_b`.`MODIFICATION` = '0'
)
OR (
	UPPER(`w247_catalogs_appliance_d_b`.`BRAND`) like upper('kawasaki')
	AND UPPER(`w247_catalogs_appliance_d_b`.`MODEL`) like upper('kawasaki_kss85zv2')
	AND `w247_catalogs_appliance_d_b`.`MODIFICATION` = '0'
)
OR (
	UPPER(`w247_catalogs_appliance_d_b`.`BRAND`) like upper('kawasaki')
	AND UPPER(`w247_catalogs_appliance_d_b`.`MODEL`) like upper('kawasaki_kss85zv2')
)
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3357
#2: Bitrix\Main\ORM\Query\Query->query
	/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
	/home/bitrix/www/local/components/w247.catalogs/catalog/templates/.default/section.php:192
#5: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:789
#6: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:884
#7: CBitrixComponentTemplate->IncludeTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:764
#8: CBitrixComponent->showComponentTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:712
#9: CBitrixComponent->includeComponentTemplate
	/home/bitrix/www/local/components/w247.catalogs/catalog/class.php:268
#10: W247CatalogsComponent->executeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:656
#11: CBitrixComponent->includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1046
#12: CAllMain->IncludeComponent
	/home/bitrix/www/catalog/index.php:234
#13: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#14: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2

( ! ) 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
#TimeMemoryFunctionLocation
13.61875310448Bitrix\Main\Diag\ExceptionHandler->handleException( ).../exceptionhandler.php:0
( ! ) 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
#TimeMemoryFunctionLocation
13.61875310448Bitrix\Main\Diag\ExceptionHandler->handleException( ).../exceptionhandler.php:0
23.63295312144CAllMain::{closure:/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3419-3426}( ).../main.php:0
33.63295312168ob_end_flush ( ).../main.php:3424
43.63295315272CMain->EndBufferContent( ).../main.php:3424
53.63295316344ExecuteModuleEventEx( ).../main.php:3172
63.63405315968Bitrix\Main\Analytics\Counter::onBeforeEndBufferContent( ).../module.php:480
73.63835316112Bitrix\Main\Analytics\SiteSpeed::isIntranetSite( ).../counter.php:92
83.63835316112Bitrix\Main\ORM\Data\DataManager::getList( ).../sitespeed.php:95
93.63845317536Bitrix\Main\ORM\Query\Query->exec( ).../datamanager.php:500
103.63875320984Bitrix\Main\ORM\Query\Query->query( ).../query.php:825
113.63875320984Bitrix\Main\DB\MysqliConnection->query( ).../query.php:3357
123.63875320984Bitrix\Main\DB\MysqliConnection->queryInternal( ).../connection.php:330