This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009/Debian) (format=pdflatex 2012.4.11) 2 OCT 2013 16:02 entering extended mode %&-line parsing enabled. **Slides.tex (/usr/share/texmf-texlive/tex/latex/tools/x.tex LaTeX2e <2009/09/24> Babel and hyphenation patterns for english, usenglishmax, dumylang, noh yphenation, ukenglish, loaded. ! . l.34 \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: 7 strings out of 495039 236 string characters out of 1182023 45141 words of memory out of 3000000 3288 multiletter control sequences out of 15000+50000 3640 words of font info for 14 fonts, out of 3000000 for 9000 36 hyphenation exceptions out of 8191 5i,0n,1p,90b,8s stack positions out of 5000i,500n,10000p,200000b,50000s 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)