Hi, Following an update TeXlive 2014, the compilation of my old files causes the same error : loading : ConTeXt File Macros / Helpers ! LuaTeX error ...ab/texlive/2014/texmf-dist/tex/context/base/file-ini.lua:49: attempt to call local 'implement' (a nil value) stack traceback: ...ab/texlive/2014/texmf-dist/tex/context/base/file-ini.lua:49: in function 'code' ...ab/texlive/2014/texmf-dist/tex/context/base/util-lua.lua:84: in function 'loadedluacode' ...ab/texlive/2014/texmf-dist/tex/context/base/luat-env.lua:104: in function 'luafilechunk' ...ab/texlive/2014/texmf-dist/tex/context/base/luat-cod.lua:45: in function 'registercode' [\directlua]:1: in main chunk. \registerctxluafile ...ua.registercode("#1","#2")} l.31 \registerctxluafile{file-ini}{1.001} ? Best regards, Fabrice