Order for selling

Request for sale

[Error] 
Call to a member function GetFields() on boolean (0)
/home/h805231091/aston.ru/docs/local/templates/aston/components/bitrix/iblock.element.add.form/saller_form/result_modifier.php:109
#0: include
	/home/h805231091/aston.ru/docs/bitrix/modules/main/classes/general/component_template.php:877
#1: CBitrixComponentTemplate->__IncludeMutatorFile(array, array)
	/home/h805231091/aston.ru/docs/bitrix/modules/main/classes/general/component_template.php:784
#2: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/h805231091/aston.ru/docs/bitrix/modules/main/classes/general/component.php:735
#3: CBitrixComponent->showComponentTemplate()
	/home/h805231091/aston.ru/docs/bitrix/modules/main/classes/general/component.php:683
#4: CBitrixComponent->includeComponentTemplate()
	/home/h805231091/aston.ru/docs/bitrix/components/bitrix/iblock.element.add.form/component.php:1047
#5: include(string)
	/home/h805231091/aston.ru/docs/bitrix/modules/main/classes/general/component.php:594
#6: CBitrixComponent->__includeComponent()
	/home/h805231091/aston.ru/docs/bitrix/modules/main/classes/general/component.php:653
#7: CBitrixComponent->includeComponent(string, array, NULL)
	/home/h805231091/aston.ru/docs/bitrix/modules/main/classes/general/main.php:1037
#8: CAllMain->IncludeComponent(string, string, array)
	/home/h805231091/aston.ru/docs/en/place-an-order/index.php:18