[NTG-context] ntg-style error

Using the NTG-style to reprocess an older article I get the following error: ConTeXt ver: 2012.03.10 13:15 MKIV ... ! Undefined control sequence. ... system > tex > error on line 358 in file exammaps2.tex: Undefined control sequence ... \setupfootnotedefinition ->\setupnotedefinition [\v!footnote ] l.358 \setupfootnotedefinition The style file is marked: %\module [ % file=s-map-se, % version=2005.02.03, % title=\CONTEXT\ Style File, % subtitle=\MAPS\ basis stijl, % author={Hans Hagen, Taco Hoekwater and Siep Kroonenberg}, % date=\currentdate, % copyright={NTG / MAPS}% %] Some change in the style file needed? Hans van der Meer