The following I didn't use for some time. Is it replaced or broken in mkiv?
Is there a quick fix? I must retypsetting something I need on short notice.

\setuppublications [numbering=short,refcommand=data] % separate -- see doc p2
systems         : begin file literature at line 8
(../literature.tex (/Users/hans/Documents/TeX/context/beta/tex/texmf-context/tex/context/base/m-obsolete.tex
systems         : skipping obsolete module
)
system          : module bib loaded
publications    : loading database from literature.bbl
(../literature.bbl)
publications    : loading formatting style from bibl-apa
(/Users/hans/Documents/TeX/context/beta/tex/texmf-context/tex/context/bib/bibl-apa.tex)
! Parameters must be numbered consecutively.
<to be read again> 
                   ##
<argument> \def \@@pbinumbercommand ####
                                        1{\bibgetvars \currentpublicationkey }
\p!compareprocessaction ...commalistelement {#3}#2
                                                  \expandafter \quitcommalis...
\next1 #1,->\p!doprocessaction {#1}
                                   \doprocesscommaitem 
<argument> ...bibgetvars \currentpublicationkey },
                                                   \v!bib =>\def \@@pbinumbe...
\processnextcommalist ...dodoprocesscommaitem #4#5
                                                  ,]\relax \global \advance ...
...
l.17 ...ications [numbering=short,refcommand=data]
                                                   % separate -- see doc p2

Hans van der Meer