[lltx] lualatex-math cannot find unpack function

Wolfgang Jeltsch g9ks157k at acme.softbase.org
Sat Aug 3 13:27:14 CEST 2013


if I import both amsmath and lualatex-math, I get the following error
message when LuaLaTeX tries to process \begin{document}:

! LuaTeX error
attempt to call upvalue 'unpack' (a nil value)
stack traceback:
        in function 'print_class_fam_slot'
        [string "\directlua "]:1: in main chunk.
\__lltxmath_set_mathchar:NN ...\int_eval:n {`#2})}

What is the reason for this?

Best wishes,

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