[TypeError] 
Argument 1 passed to CProductQueryBuilder::isValidField() must be of the type string, null given, called in /home/bitrix/ext_www/aommo.ru/bitrix/modules/iblock/classes/general/iblockelement.php on line 3004 (0)
/home/bitrix/ext_www/aommo.ru/bitrix/modules/catalog/general/querybuilder.php:81
#0: CProductQueryBuilder::isValidField(NULL)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/iblock/classes/general/iblockelement.php:3004
#1: CAllIBlockElement->PrepareGetList(array, array, array, string, array, array, NULL, NULL, NULL, boolean, string, array, array, array)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/iblock/classes/mysql/iblockelement.php:326
#2: CIBlockElement->prepareSql(array, array, boolean, array)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/iblock/classes/mysql/iblockelement.php:666
#3: CIBlockElement::GetList(NULL, array, boolean, array, array)
	/home/bitrix/ext_www/aommo.ru/bitrix/templates/apsel_business_light_strawberry/components/bitrix/catalog.section.list/faq/template.php:103
#4: include(string)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component_template.php:789
#5: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component_template.php:884
#6: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component.php:764
#7: CBitrixComponent->showComponentTemplate()
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component.php:712
#8: CBitrixComponent->includeComponentTemplate()
	/home/bitrix/ext_www/aommo.ru/bitrix/components/bitrix/catalog.section.list/component.php:330
#9: include(string)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component.php:605
#10: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component.php:680
#11: CBitrixComponent->includeComponent(string, array, NULL, boolean)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/main.php:1039
#12: CAllMain->IncludeComponent(string, string, array)
	/home/bitrix/ext_www/xn--90aeea2bghkbmep4j.xn--p1ai/media-tsentr/faq/index_area.php:5
#13: include(string)
	/home/bitrix/ext_www/aommo.ru/bitrix/components/bitrix/main.include/templates/.default/template.php:17
#14: include(string)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component_template.php:789
#15: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component_template.php:884
#16: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component.php:764
#17: CBitrixComponent->showComponentTemplate()
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component.php:712
#18: CBitrixComponent->includeComponentTemplate()
	/home/bitrix/ext_www/aommo.ru/bitrix/components/bitrix/main.include/component.php:280
#19: include(string)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component.php:605
#20: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/component.php:680
#21: CBitrixComponent->includeComponent(string, array, NULL, boolean)
	/home/bitrix/ext_www/aommo.ru/bitrix/modules/main/classes/general/main.php:1039
#22: CAllMain->IncludeComponent(string, string, array)
	/home/bitrix/ext_www/xn--90aeea2bghkbmep4j.xn--p1ai/media-tsentr/faq/index.php:38