ERROR 404 OOPS! Looks like little Reggie is at it again. We can't seem to find the page you are looking for. Check the links below for content you might find helpful. question Unexposed properties cannot be selected for classes mapped to external tables error coming in RD. question Unexposed properties cannot be selected for classes mapped to external tables question pyID Unexposed properties cannot be selected for classes mapped to external tables question InvalidReferenceException .PropertyName Unexposed properties cannot be selected for classes mapped to external tables discussion Unexposed properties cannot be selected in classes mapped to external tables Search Pega Community Ask Pega Community