System.NullReferenceException: Object reference not set to an instance of an object. at LarsenToubro.Corporate.Model.Service.Global.MediaServices.GetMediaListByParentId(String id) in D:\Git Projects\Larsen & Toubro Azure\LarsenToubro.Corporate.Model.Service\Global\MediaServices.cs:line 37 at LarsenToubro.Corporate.Model.Service.Global.ContentServices.GetCollectionItems(String pageId, String propertyAlias) in D:\Git Projects\Larsen & Toubro Azure\LarsenToubro.Corporate.Model.Service\Global\ContentServices.cs:line 60 at ASP._Page_Views_Partials_Global_MultiContentPage_cshtml.Execute()