Hi,
this file did not pose any problems but today yes.
Thank you.
Fabrice

\starttext
\startluacode
local letters_1 = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" }
local letters_2 = { "1", "Année", "1998", "1999", "2000", "2001", "2002",
"2003", "2004", "2005","2006" }
context.startxtable({"align={middle,lohi},
width=1.2cm,offset=0.8ex,bodyfont=9pt"})

context.startxrow({"background=color,backgroundcolor=green"})
context.startxcell({"background=color,backgroundcolor=white,frame=off"})
context("")
context.stopxcell()
for _, letter in ipairs(letters_1) do
    context.startxcell()
    context(letter) context.stopxcell()
end
context.stopxrow()

context.startxrow()
for _, letter in ipairs(letters_2) do
    context.startxcell() context(letter) context.stopxcell()
end
context.stopxrow()

context.startxrow()
context.startxcell() context("2") context.stopxcell()
context.startxcell({"width=2cm"}) context("Prix (kg)") context.stopxcell()
for i=0,8 do
    context.startxcell() context("%0.5g",1.031^i) context.stopxcell()
end
context.stopxrow()

context.stopxtable()
\stopluacode
\stoptext

lua error       > lua error on line 34 in file /home/viserion/Table.tex:

[ctxlua]:5: unfinished string near '"align={middle,lohi},'

 1     \starttext
 2     \startluacode
 3     local letters_1 = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" }
 4     local letters_2 = { "1", "Année", "1998", "1999", "2000", "2001", "2002",
 5     "2003", "2004", "2005","2006" }
 6 >>  context.startxtable({"align={middle,lohi},
 7     width=1.2cm,offset=0.8ex,bodyfont=9pt"})
 8    
 9     context.startxrow({"background=color,backgroundcolor=green"})
10     context.startxcell({"background=color,backgroundcolor=white,frame=off"})
11     context("")
12     context.stopxcell()
13     for _, letter in ipairs(letters_1) do
14         context.startxcell()
15         context(letter) context.stopxcell()
16     end

mtx-context     | fatal error: return code: 256

TeX Output exited abnormally with code 1 at Thu Mar 19 11:15:49