I have this minimal example:
\documentclass{article}
\usepackage{colortbl}
\usepackage{longtable}
\usepackage{tabu}
\begin{document}
\begin{longtabu} {|ll|}
a & \begin{tabu}{l}
1 \\
red 2 \\
\end{tabu} \\
\end{longtabu}
\end{document}
Using pdflatex from texlive 20120628 on cygwin gives me this error:
! Missing number, treated as zero.
<to be read again>
\tabu@1.H0
l.13 \end{longtabu}
If I leave out \usepackage{colortbl}
the error is gone. Unfortunately my actual document is a lot larger and I need this package.
Using pdflatex from MiKTex 2.9 gives me no error.
Where does this error come from and how can I fix it? I need to be able to compile this document using texlive as well.
Best Answer
Hmm appears
tabu
doesn't want to nest. This works round it: