[TypeError] 
array_key_exists(): Argument #2 ($array) must be of type array, null given (0)
/home/bitrix/www/local/components/itgro/products.smart.filter/class.php:717
#0: ItgroProductsSmartFilterComponent->setFilters
	/home/bitrix/www/local/components/itgro/products.smart.filter/class.php:851
#1: ItgroProductsSmartFilterComponent->executeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:660
#2: CBitrixComponent->includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1072
#3: CAllMain->IncludeComponent
	/home/bitrix/ext_www/m.sv-company.ru/avtozapchasti/avtozapchasti-b-u/_section.php:247
#4: require_once(string)
	/home/bitrix/ext_www/m.sv-company.ru/avtozapchasti/avtozapchasti-b-u/index.php:138
#5: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:184
#6: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2
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