[NTG-context] change the page number

Hi, how do I change the page number? In april and may versions it does not work anymore: \setuppagenumber[number=5]% no effect \setuprealpagenumber[number=5]% no effect \setuppagenumber[number=5]% no effect %\setupuserpagenumber[numberconversion=Romannumerals]% works OK! \starttext \dorecurse{3}{\input tufte\page} %\setupuserpagenumber[numberconversion=numbers]% works OK! \dorecurse{3}{\input ward\page} \stoptext