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I'm working on a book of chants, using gregorio. The gregorio package requires LuaLaTeX. To simplify the issue, however, I narrowed the error down with this sample .tex file:

\documentclass{scrbook} \begin{document} \title{Title} \maketitle Lorem Lipsum \end{document}

Compiling with LaTeX works fine, but when I try it with LuaLaTeX, it produces the following errors:

***snip*** )) (./test.aux) ! Missing number, treated as zero. <to be read again> p l.2 \begin{document} ? ! Illegal unit of measure (pt inserted). <to be read again> p l.2 \begin{document} ? ! Missing number, treated as zero. <to be read again> \begingroup l.2 \begin{document} ? ! Illegal unit of measure (pt inserted). <to be read again> \begingroup l.2 \begin{document} ? -------------------

The output .pdf file has this text at the top of the page:

pagewidth=pageheight=

Am I fighting a pointless battle? I can use the {article} document type without issue, but the {scrbook} seems more appropriate. If there's no simple solution, I'll just go with article, but... Any advice?

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    Welcome to TeX.SE. Which version of LuaTeX do you use? Commented Oct 27, 2016 at 6:39
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    Which KOMA-Script version do you use? There was a bug in version 3.20 (I can reproduce your problem with this version). But current version is 3.21. If you can not update, then try to load package luatex85. Commented Oct 27, 2016 at 6:40
  • Your sample compiles fine for me both with latex and lualatex. Maybe try deleting your .aux file before recompiling. Commented Oct 27, 2016 at 6:40
  • Thanks, esdd (and everyone else)! That solved it. I'm using MacTex 2016, which likely has a prior version of KOMA-Script. Including \usepackage{luatex85} allowed even my gregorio file to compile without errors. I'll look into updating KOMA-Script as well. Commented Oct 27, 2016 at 7:48
  • Updating KOMA-Script also worked seamlessly. For other users of MacTex 2016, this can be done very simply by typing the following in a terminal window (all on one line): tlmgr install --reinstall --repository komascript.de/repository/texlive/2016 koma-script Commented Oct 28, 2016 at 1:49

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There was a bug in package typearea version 3.20 which is part of the KOMA-Script bundle and used by all KOMA-Script classes. See Bekannte Probleme und Änderungen in KOMA-Script 3.20 (German).

It is already fixed in current version 3.21. So if you update your KOMA-Script, your MWE will compile:

\documentclass{scrbook}[2016/06/14] \begin{document} \title{Title} \maketitle Lorem Lipsum \end{document}

Workarounds if you have to use version 3.20:

If you do not want to change the default paper size (A4), set option pagesize=false:

\documentclass[pagesize=false]{scrbook} \begin{document} \title{Title} \maketitle Lorem Lipsum \end{document}

Alternativly you can load package luatex85:

\documentclass[pagesize=false]{scrbook} \usepackage{luatex85} \begin{document} \title{Title} \maketitle Lorem Lipsum \end{document}
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