cleverefcross-referencing
\documentclass[Afour,sageh,times]{sagej}
\usepackage[english]{babel}
\usepackage{cleveref}
\begin{document}
\section{Introduction}
\label{sec:Introduction}
\Cref{sec:discussion}
\section{Discussion}
\label{sec:discussion}
\end{document}
The above minimal example doesn't work as when I use \Cref, it doesn't work and
prints only ??. Can anybody please help me out with this error.
Thanks.
If you want to cross-reference the sections, they should have a number associated (to be used in cross-referencing) otherwise, the wrong string will be picked up to produce the cross-reference number (in your case, it will be the one created by \affiliation which explains why you were getting "Footnote").
achemso uses section numbers only where the journal uses these in print. You can use the \SectionNumbersOn command to force section numbering; however, if you use section numbers in a submission to a journal which does not use them, things may go a bit wrong later.
Your document could be something like this:
\documentclass[journal=jacsat,layout=traditional]{achemso}
\usepackage{achemso}
\SectionNumbersOn
\author{Canageek}
\title{Title}
\email{fake@email.ca}
\affiliation[University]{University, Canada}
\begin{document}
\section{Introduction}\label{intro}
blah blah blah blah
\section{two}
Will this work? See~\ref{intro}.
\end{document}
Try with the latest version v0.18.5. The changelog says
Fix listings and algorithm package support, broken by change to local rather than global
\cref@currentlabeldenitions....
From Gonzalo Medina's comment it seems that this solved it, but if it hadn't I'd say you should write to Toby Cubitt, author of cleveref with your MWE. He is very helpful and quite likely to make a bugfix.
Best Answer
The
sagejdocument class sets\setcounter{secnumdepth}{-2}. This means that absolutely no sectioning headers are numbered anywhere in the document. Therefore, both\section{Introduction}and\section{Discussion}produce unnumbered sectioning headers.LaTeX's cross-referencing mechanism works by associating each
\labelinstruction with the most recently incremented counter variable. Since your MWE contains no counters that are incrementef,\Crefcannot possibly generate a valid cross-reference. That's why you get??.If you want numbered section-level headers, set
\setcounter{secnumdepth}{1}somewhere in your preamble. Do be aware, though, that this change quite likely defeats the design choices of thesagejdocument class and, as such, may not be viewed favorably by editors.