Mij font setup is nothing more then \setupbodyfont[cambria,12pt]

An underfull hbox I can understand but wherefrom these messages about an “unknown library normal”?
I guess it is not the font, because substituting lmodern for cambria makes no difference.
Does this signify I should change something? If so, then what?

Underfull \hbox (badness 1014) in paragraph at lines 7--7
 []<15: cambria @ 10.0pt> adres[]
fonts           > typescripts > unknown library 'normal'
fonts           > typescripts > unknown library 'normal'
pages           > flushing realpage 108, userpage 108

dr. Hans van der Meer