While luametatex works fine, running this mwe with luatex ends in an error: \startexceptions con-text \stopexceptions \starttext context \stoptext ...-64/tex/texmf-context/tex/context/base/mkiv/lang-ini.lua:198: attempt to call a nil value (global 'sortedhash') stack traceback: ...-64/tex/texmf-context/tex/context/base/mkiv/lang-ini.lua:198: in upvalue 'sethjcodes' ...-64/tex/texmf-context/tex/context/base/mkiv/lang-ini.lua:551: in upvalue 'collecthjcodes' ...-64/tex/texmf-context/tex/context/base/mkiv/lang-ini.lua:570: in function <...-64/tex/texmf-context/tex/context/base/mkiv/lang-ini.lua:566> (...tail calls...) 1 % engine=luatex 2 %!TEX TS-program = ConTeXt LMTX 3 4 \startexceptions 5 6 con-text 7 8 >> \stopexceptions 9 10 \starttext 11 12 context 13 14 \stoptext mtx-context | fatal error: return code: 256 Steffen