Property:Nachname

The property contains the following errors or warnings:

"String" is not in the list (bug, change request, functionality, layout, other) of allowed values for the "Type" property.
No type definition was found for "lastName" in the foaf import.

Der Nachname (Familienname) einer Person als String"String" is not in the list (bug, change request, functionality, layout, other) of allowed values for the "Type" property.. No type definition was found for "lastName" in the foaf import.