[Error] Cannot instantiate abstract class Bitrix\Iblock\Component\Base (0) /home/c/cb52567/public_html/bitrix/modules/main/classes/general/component.php:623 #0: CBitrixComponent->includeComponent(string, array, boolean) /home/c/cb52567/public_html/bitrix/modules/main/classes/general/main.php:1037 #1: CAllMain->IncludeComponent(string, string, array, boolean) /home/c/cb52567/public_html/books/item.php:148 #2: include_once(string) /home/c/cb52567/public_html/bitrix/modules/main/include/urlrewrite.php:159 #3: include_once(string) /home/c/cb52567/public_html/bitrix/urlrewrite.php:2