[Error] Class name must be a valid object or a string (0) /home/bitrix/www/local/components/areal/catalog.folders/class.php:155 #0: ArealCatalogFoldersComponent->getSections /home/bitrix/www/local/components/areal/catalog.folders/class.php:93 #1: ArealCatalogFoldersComponent->executeComponent /home/bitrix/www/bitrix/modules/main/classes/general/component.php:656 #2: CBitrixComponent->includeComponent /home/bitrix/www/bitrix/modules/main/classes/general/main.php:1063 #3: CAllMain->IncludeComponent /home/bitrix/www/index.php:64