[Error loading the WebPart '']
c:\www\kentico.zoorate.com\CMSWebParts\Zoorate\Feedati\Merchant\MerchantPage.ascx.cs(418): error CS1061: 'ASP.cmswebparts_zoorate_feedati_usercontrols_feedati_merchdatacard_ascx' does not contain a definition for 'TreeProvider' and no extension method 'TreeProvider' accepting a first argument of type 'ASP.cmswebparts_zoorate_feedati_usercontrols_feedati_merchdatacard_ascx' could be found (are you missing a using directive or an assembly reference?)