[NTG-context] \texteuro does not work

Hi all, \starttext 5,00\,\texteuro \stoptext does not work any more. What have I to do? Bernd here the message from contextgarden systems : begin file texweb at line 2 ! Font \thedefinedfont=fmvr8x at 12.0pt not loadable: Metric (TFM) file not fou nd. <recently read> \scaledfont \symbolicsizedfont ...ntfontbodyscale \scaledfont \thedefinedfont \getglyph #1#2->{\symbolicfont {#1} \doifnumberelse {#2}\char \donothing #2} \dodosymbol ...bol \csname \??ss :#1:#2\endcsname \relax }\relax \donormalsymbol ... {#1}{#2}{\dodosymbol {#1}{#2}} \else \edef \currentsymbol... l.5 5,00\,\texteuro ? ! Emergency stop. <recently read> \scaledfont