![模板中所有出现的“\section\subsection...”都会报告以下错误“未定义的控制序列。\section{Introduction}”](https://linux22.com/image/450440/%E6%A8%A1%E6%9D%BF%E4%B8%AD%E6%89%80%E6%9C%89%E5%87%BA%E7%8E%B0%E7%9A%84%E2%80%9C%5Csection%5Csubsection...%E2%80%9D%E9%83%BD%E4%BC%9A%E6%8A%A5%E5%91%8A%E4%BB%A5%E4%B8%8B%E9%94%99%E8%AF%AF%E2%80%9C%E6%9C%AA%E5%AE%9A%E4%B9%89%E7%9A%84%E6%8E%A7%E5%88%B6%E5%BA%8F%E5%88%97%E3%80%82%5Csection%7BIntroduction%7D%E2%80%9D.png)
这是我使用的模板下载链接。模板下载链接 当我取消注释模板中的“\section”时,会报一些错误。
\documentclass[jcs]{iosart2x}
\pubyear{0000}
\volume{0}
\firstpage{1}
\lastpage{1}
\begin{document}
\begin{frontmatter}
%\pretitle{}
\title{Article Title}
\runningtitle{Article Title}
%\subtitle{}
% Two or more authors:
\author[A]{\inits{N.}\fnms{Name1} \snm{Surname1}\ead[label=e1]{[email protected]}%
\thanks{Corresponding author. \printead{e1}.}},
\author[B]{\inits{N.N.}\fnms{Name2 Name2} \snm{Surname2}\ead[label=e2]{[email protected]}}
and
\author[B]{\inits{N.-N.}\fnms{Name3-Name3} \snm{Surname3}\ead[label=e3]{[email protected]}}
\runningauthor{N. Surname1 et al.}
\address[A]{Department first, \orgname{University or Company name},
Abbreviate US states, \cny{Country}\printead[presep={\\}]{e1}}
\address[B]{Department first, \orgname{University or Company name},
Abbreviate US states, \cny{Country}\printead[presep={\\}]{e2,e3}}
\begin{abstract}
Abstract text.
\end{abstract}
\begin{keyword}
\kwd{Keyword one}
\kwd{keyword two}
\end{keyword}
\end{frontmatter}
\section{}\label{s1}
\subsection{}\label{s1.1}
错误信息如下:
Undefined control sequence. \section{}
Undefined control sequence. \subsection{}
Undefined control sequence. \begin{thebibliography}{5}
Missing number, treated as zero. \begin{thebibliography}{5}
日志信息:
\c@sv@footnote=\count309
! Undefined control sequence.
\Sectionformat #1#2->\ios@Sectionformat
{#1\@nameuse {ios@section@level@\ios...
l.60 \section{}
\label{s1}