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[Error] 
Cannot instantiate abstract class Bitrix\Iblock\Component\Base (0)
/home/bitrix/ext_www/www.szdk.ru/bitrix/modules/main/classes/general/component.php:623
#0: CBitrixComponent->includeComponent(string, array, object)
	/home/bitrix/ext_www/www.szdk.ru/bitrix/modules/main/classes/general/main.php:1037
#1: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/ext_www/www.szdk.ru/bitrix/templates/.default/components/bitrix/catalog/projects/element.php:16
#2: include(string)
	/home/bitrix/ext_www/www.szdk.ru/bitrix/modules/main/classes/general/component_template.php:720
#3: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/ext_www/www.szdk.ru/bitrix/modules/main/classes/general/component_template.php:815
#4: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/ext_www/www.szdk.ru/bitrix/modules/main/classes/general/component.php:735
#5: CBitrixComponent->showComponentTemplate()
	/home/bitrix/ext_www/www.szdk.ru/bitrix/modules/main/classes/general/component.php:683
#6: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/ext_www/www.szdk.ru/bitrix/components/bitrix/catalog/component.php:171
#7: include(string)
	/home/bitrix/ext_www/www.szdk.ru/bitrix/modules/main/classes/general/component.php:594
#8: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/www.szdk.ru/bitrix/modules/main/classes/general/component.php:653
#9: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/ext_www/www.szdk.ru/bitrix/modules/main/classes/general/main.php:1037
#10: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/ext_www/www.szdk.ru/проекты/дома-из-бруса/донское/index.php:359