I am facing weird problems trying to load the siunitx package. Version 2.7l is installed, all compulsory packages as well. I produced a minimal example where the same error occurs:
\documentclass[a4paper, 12pt, oneside, headsepline, ngerman, openany, headings=small]{scrbook}
\usepackage{cancel}
\usepackage{caption}
\usepackage{cleveref}
\usepackage{csquotes}
\usepackage{helvet}
\usepackage{mathpazo}
\usepackage{listings}
\usepackage{pgfplots}
\usepackage{xcolor}
\usepackage{siunitx}
\sisetup{
detect-mode,
tight-spacing = true,
group-digits = false ,
input-signs = ,
input-symbols = ( ) [ ] - + *,
input-open-uncertainty = ,
input-close-uncertainty = ,
table-align-text-post = false
}
\begin{document}
\si{1,2,3}
\end{document}
The error message tells me there is something wrong with the style file of the package:
! Undefined control sequence.
<argument> \seq_const_from_clist:Nn
\c__siunitx_old_options_seq {addsign,all...
l.258 }
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.
! Undefined control sequence.
<argument> ...list:Nn \c__siunitx_old_options_seq
{addsign,allowlitunits,all...
l.258 }
! LaTeX Error: Missing \begin{document}.
See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
...
l.258 }
Maybe someone has an idea how I can handle it. Thank you in advance.
Best Answer
With the intention of adding more details, I verified that this is a version compatibility problem with Miktex and the
siunitxpackage that is imported in the latest version. In my case the problem was with Miktex-2.9.6361 and it was fixed by installing Miktex-2.9.6643, which has important changes like how to manage packages and updates that is now done through a single interface called Miktex console.