Hi,
Thanks for your help but ...
Running `ConTeXt' on `vladimir' with ``PATH=/home/aragorn/context/tex/texmf-linux-64/bin:$PATH context vladimir''
resolvers | trees | analyzing 'home:texmf'
mtx-context | warning: no (local) file './vladimir', proceeding
mtx-context | run 1: luatex --fmt="/home/aragorn/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en" --jobname="vladimir" --lua="/home/aragorn/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en.lui" --no-parse-first-line --c:currentrun=1 --c:fulljobname="./vladimir" --c:input="./vladimir" --c:kindofrun=1 --c:maxnofruns=9 "cont-yes.mkiv"
This is LuaTeX, Version 1.08.0 (TeX Live 2018)
system commands enabled.
resolvers > trees > analyzing 'home:texmf'
open source > level 1, order 1, name '/home/aragorn/context/tex/texmf-context/tex/context/base/mkiv/cont-yes.mkiv'
system >
system > ConTeXt ver: 2018.08.20 17:47 MKIV beta fmt: 2018.8.20 int: english/english
system >
system > 'cont-new.mkiv' loaded
open source > level 2, order 2, name '/home/aragorn/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'
system > beware: some patches loaded from cont-new.mkiv
close source > level 2, order 2, name '/home/aragorn/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'
system > files > jobname 'vladimir', input './vladimir', result 'vladimir'
fonts > latin modern fonts are not preloaded
languages > language 'en' is active
open source > level 2, order 3, name '/home/aragorn/vladimir.tex'
fonts > preloading latin modern fonts (second stage)
fonts > 'fallback modern-designsize rm 12pt' is loaded
structure > sectioning > chapter @ level 2 : 0.1 -> First chapter
metapost > initializing instance 'metafun:1' using format 'metafun' and method 'default'
metapost > loading 'metafun' as '/home/aragorn/context/tex/texmf-context/metapost/context/base/mpiv/metafun.mpiv' using method 'default'
metapost > initializing number mode 'scaled'
lua error > lua error on line 10 in file /home/aragorn/vladimir.tex:
...ext/tex/texmf-context/tex/context/base/mkiv/node-nut.lua:190: attempt to call a nil value (global 'getid')
stack traceback:
...ext/tex/texmf-context/tex/context/base/mkiv/node-nut.lua:190: in upvalue 'getexpansion'
...ext/tex/texmf-context/tex/context/base/mkiv/font-mps.lua:343: in function <...ext/tex/texmf-context/tex/context/base/mkiv/font-mps.lua:338>
...ext/tex/texmf-context/tex/context/base/mkiv/font-mps.lua:437: in local 'boxtomp'
...ext/tex/texmf-context/tex/context/base/mkiv/mlib-pps.lua:1894: in function <...ext/tex/texmf-context/tex/context/base/mkiv/mlib-pps.lua:1891>
(...tail calls...)
1 \startusableMPgraphic{NumberHead}
2 draw outlinetext.f
3 ("\bf\namedheadnumber{chapter}")
4 (withcolor "lightgray")
5 ysized 50pt ;
6 \stopusableMPgraphic
7
8 \unexpanded\def\processMPheadnumber#1%
9 {\useMPgraphic{NumberHead}}
10 >>
11 \setuphead
12 [chapter]
13 [command=\HeadTitle,
14 headstyle=\ss,
15 numbercommand=\processMPheadnumber,
16 ]
17
18
19 \unexpanded\def\HeadTitle#1#2%
20 {\framed
?
Fabrice