This is pdfTeX, Version 3.14159265-2.6-1.40.21 (TeX Live 2020/Debian) (preloaded format=pdflatex 2022.1.31) 28 FEB 2022 10:34 entering extended mode restricted \write18 enabled. %&-line parsing enabled. **x (/usr/share/texlive/texmf-dist/tex/latex/tools/x.tex LaTeX2e <2020-10-01> patch level 4 L3 programming layer <2021-01-09> xparse <2020-03-03> ! . l.38 \batchmode \errmessage{} \csname @@end\endcsname \end This error message was generated by an \errmessage command, so I can't give any explicit help. Pretend that you're Hercule Poirot: Examine all clues, and deduce the truth by order and method. ) Here is how much of TeX's memory you used: 17 strings out of 481199 501 string characters out of 5913479 266401 words of memory out of 5000000 17072 multiletter control sequences out of 15000+600000 403430 words of font info for 27 fonts, out of 8000000 for 9000 14 hyphenation exceptions out of 8191 13i,0n,15p,81b,10s stack positions out of 5000i,500n,10000p,200000b,80000s No pages of output. PDF statistics: 0 PDF objects out of 1000 (max. 8388607) 0 named destinations out of 1000 (max. 500000) 1 words of extra memory for PDF output out of 10000 (max. 10000000)