[Error] 
Call to undefined method Bitrix\Catalog\Product\Price::loadRoundRules() (0)
/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:730
#0: Bitrix\Iblock\Component\Base->initPrices()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4083
#1: Bitrix\Iblock\Component\Base->processResultData()
	/home/bitrix/www/bitrix/components/bitrix/catalog.section/class.php:110
#2: CatalogSectionComponent->processResultData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4602
#3: Bitrix\Iblock\Component\Base->loadData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/elementlist.php:1291
#4: Bitrix\Iblock\Component\ElementList->loadData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4591
#5: Bitrix\Iblock\Component\Base->initialLoadAction()
	/home/bitrix/www/bitrix/components/bitrix/catalog.section/class.php:404
#6: CatalogSectionComponent->initialLoadAction()
	
#7: call_user_func(array)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4774
#8: Bitrix\Iblock\Component\Base->doAction()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4792
#9: Bitrix\Iblock\Component\Base->executeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:585
#10: CBitrixComponent->includeComponent(string, array, object)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1035
#11: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/www/bitrix/templates/.default/components/bitrix/catalog/faktury1/section_horizontal.php:276
#12: include(string)
	/home/bitrix/www/bitrix/templates/.default/components/bitrix/catalog/faktury1/sections.php:78
#13: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:714
#14: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:806
#15: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:681
#16: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:629
#17: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/www/bitrix/components/bitrix/catalog/component.php:171
#18: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:548
#19: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:600
#20: CBitrixComponent->includeComponent(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1035
#21: CAllMain->IncludeComponent(string, string, array)
	/home/bitrix/www/faktury/index.php:18