This is LuaTeX, Version 1.12.0 (TeX Live 2020)  (INITEX)  22 SEP 2025 22:57
 restricted system commands enabled.
**dvilualatex.ini
(/usr/share/texlive/texmf-dist/tex/generic/tex-ini-files/dvilualatex.ini
(/usr/share/texlive/texmf-dist/tex/generic/tex-ini-files/lualatex.ini
(/usr/share/texlive/texmf-dist/tex/generic/tex-ini-files/luatexconfig.tex
(/usr/share/texlive/texmf-dist/tex/generic/tex-ini-files/pdftexconfig.tex))
(/usr/share/texlive/texmf-dist/tex/latex/base/latex.ltx
(/usr/share/texlive/texmf-dist/tex/latex/base/texsys.cfg)
\openout15 = texsys.aux

./texsys.aux found


\@currdir set to: ./.


Assuming \openin and \input 
have the same search path.


Defining UNIX/DOS style filename parser.

catcodes, registers,
\maxdimen=\dimen10
\hideskip=\skip10
\p@=\dimen11
\z@=\dimen12
\z@skip=\skip11
\voidb@x=\box10
 parameters,
\normalbaselineskip=\skip12
\normallineskip=\skip13
\normallineskiplimit=\dimen13
\interfootnotelinepenalty=\count23
\strutbox=\box11

LaTeX2e <2020-10-01> patch level 4
\catcodetable@initex=\catcodetable1
\catcodetable@string=\catcodetable2
\catcodetable@latex=\catcodetable3
\catcodetable@atletter=\catcodetable4
! LaTeX requires expl3.
<argument> \errmessage {LaTeX requires expl3}
                                  \batchmode \read -1 to \reserved@a 
l.1063   }
        
? 
! Emergency stop.
<argument> \errmessage {LaTeX requires expl3}
                                  \batchmode \read -1 to \reserved@a 
l.1063   }
        
End of file on the terminal!

!  ==> Fatal error occurred, bad output DVI file produced!
No pages of output.