Object reference not set to an instance of an object.

at Epicor.Web.Models.ViewModels.VideoPage20ViewModelFactory.BuildModel(VideoPage20 currentPage) in D:\a\1\s\Epicor.Web\Models\ViewModels\VideoPage20ViewModelFactory.cs:line 68 at Epicor.Web.Controllers.VideoPage20Controller.BuildViewModel(VideoPage20 currentPage) in D:\a\1\s\Epicor.Web\Controllers\VideoPage20Controller.cs:line 34 at Epicor.Web.Controllers.ResourceCenterPageControllerBase`1.<Index>d__10.MoveNext() in D:\a\1\s\Epicor.Web\Controllers\ResourceCenterPageControllerBase.cs:line 64