[Error] 
Call to a member function getField() on null (0)
/var/www/web/web-intertop-root/local/components/intertop/product.item/templates/.default/product_info_buttons.php:12
#0: include_once
	/var/www/web/web-intertop-root/local/components/intertop/product.item/templates/.default/template.php:649
#1: include(string)
	/var/www/web/bitrix/modules/main/classes/general/component_template.php:720
#2: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/var/www/web/bitrix/modules/main/classes/general/component_template.php:815
#3: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/web/bitrix/modules/main/classes/general/component.php:746
#4: CBitrixComponent->showComponentTemplate()
	/var/www/web/bitrix/modules/main/classes/general/component.php:694
#5: CBitrixComponent->includeComponentTemplate()
	/var/www/web/web-intertop-root/local/components/intertop/product.item/class.php:1209
#6: ProductItemComponent->executeComponent()
	/var/www/web/bitrix/modules/main/classes/general/component.php:649
#7: CBitrixComponent->includeComponent(string, array, NULL)
	/var/www/web/bitrix/modules/main/classes/general/main.php:1035
#8: CAllMain->IncludeComponent(string, string, array)
	/var/www/web/web-intertop-root/local/templates/intertop/components/aniart/catalog_dl/main/element.php:158
#9: include(string)
	/var/www/web/bitrix/modules/main/classes/general/component_template.php:720
#10: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/var/www/web/bitrix/modules/main/classes/general/component_template.php:815
#11: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/web/bitrix/modules/main/classes/general/component.php:746
#12: CBitrixComponent->showComponentTemplate()
	/var/www/web/bitrix/modules/main/classes/general/component.php:694
#13: CBitrixComponent->includeComponentTemplate(string)
	/var/www/web/web-intertop-root/local/components/aniart/catalog_dl/component.php:248
#14: include(string)
	/var/www/web/bitrix/modules/main/classes/general/component.php:605
#15: CBitrixComponent->__includeComponent()
	/var/www/web/bitrix/modules/main/classes/general/component.php:664
#16: CBitrixComponent->includeComponent(string, array, NULL)
	/var/www/web/bitrix/modules/main/classes/general/main.php:1035
#17: CAllMain->IncludeComponent(string, string, array)
	/var/www/web/web-intertop-root/shopping/catalog/index.php:56
#18: include_once(string)
	/var/www/web/bitrix/modules/main/include/urlrewrite.php:161
#19: include_once(string)
	/var/www/web/bitrix/urlrewrite.php:2