Same problem, fresh rsync from minimals: C:\Users\chesky\Programs\ConTeXt>luatools --ini --compile cont-en LuaTools | creating initialization file cont-en LuaTools | using library path : C:/Users/chesky/Programs/ConTeXt/texmf-context/tex/context/base LuaTools | using lua libraries: l-string.lua l-lpeg.lua l-table.lua l-boolean.lua l-number.lua l-set.lua l-unicode.lua l-md5.lua l-os.lua l-io.lua l-file.lua l-url.lua l-dir.lua l-utils.lua l-tex.lua luat-env.lua luat-lib.lua luat-inp.lua luat-tmp.lua luat-zip.lua luat-tex.lua LuaTools | using compiled initialization file cont-en.luc LuaTools | using lua initialization file cont-en.luc LuaTools | running command: luatex --ini --lua="cont-en.luc" "C:/Users/chesky/Programs/ConTeXt/texmf-context/tex/context/base/cont-en.tex" \dump (C:/Users/chesky/Programs/ConTeXt/texmf-context/tex/context/base/cont-en.tex (C:/Users/chesky/Programs/ConTeXt/texmf-context/tex/context/base/context.tex (C:/Users/chesky/Programs/ConTeXt/texmf-context/tex/context/base/syst-pln.tex) (C:/Users/chesky/Programs/ConTeXt/texmf-context/tex/context/base/syst-prm.tex) (C:/Users/chesky/Programs/ConTeXt/texmf-context/tex/context/base/luat-env.tex) (C:/Users/chesky/Programs/ConTeXt/texmf-context/tex/context/base/luat-lib.tex ! LuaTeX error ...ams/ConTeXt/texmf-context/tex/context/base/l-aux.lua:55: attempt to call field 'Carg' (a nil value). \ctxluabytecode ...ode " .. "#1" .. str) end end } \registerctxluafile ...{\the \luabytecodecounter } \fi l.45 \registerctxluafile{l-aux} {1.001} ? Multiple runs of luatools --selfupdate and luatools --generate don't help. I'll try pulling again later, see if that works. --Joel