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[Error] 
Cannot instantiate abstract class Bitrix\Iblock\Component\Base (0)
/home/c/cr10112/cstb.ru/public_html/bitrix/modules/main/classes/general/component.php:623
#0: CBitrixComponent->includeComponent(string, array, boolean)
	/home/c/cr10112/cstb.ru/public_html/bitrix/modules/main/classes/general/main.php:1042
#1: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/c/cr10112/en.cstb.ru/public_html/forum/2018/index.php:92