\author 中的 $\inst{}$ 存在未定义的控制序列错误

Question

我正在使用 Springer 模板撰写期刊论文，并尝试使用\inst和\institute为一位作者添加不同的隶属关系。但是，我无法解决错误“！未定义的控制序列”。

我尝试了本网站提到的不同解决方案，但都不起作用。以下示例将发生相同的错误

\RequirePackage{fix-cm}

\documentclass[smallcondensed]{svjour3}     

\smartqed  
\usepackage{graphicx}
\usepackage{authblk}
\usepackage{pbox}
\usepackage{commath}
\usepackage[numbers,sort&compress]{natbib}
\usepackage{rotating}
\usepackage{algorithm2e,algorithmic}
\usepackage{epstopdf}
\usepackage{longtable}
\usepackage{tabularx,ragged2e,booktabs}
\usepackage{graphicx}
\usepackage{color}
%\usepackage{apacite}
\usepackage[misc,geometry]{ifsym}
\usepackage{amsmath}
\usepackage{url}
\usepackage[margin=1in]{geometry}
\usepackage{mathptmx}  


 \journalname{Journal Nmae}
%
\begin{document}

\title{Insert your title here
}
\subtitle{Do you have a subtitle?\\ If so, write it here}

\author{AuthorA  $^\inst{1,2}$   \and
        AuthorB   $^\inst{1}$ \and
        AuthorC  $^\inst{1}$ 
}



\institute{F. Author \at
              first address \\
              Tel.: [phone]\\
              Fax: [phone]\\
              \email{[email protected]}           
           \and
           S. Author \at
              second address
}

\date{}



\maketitle


\end{document}

Answer 1

该类svjour3不使用上标数字来标识地址。

\documentclass[smallcondensed]{svjour3}     

\usepackage{graphicx}
\usepackage{authblk}
\usepackage{pbox}
\usepackage{commath}
\usepackage[numbers,sort&compress]{natbib}
\usepackage{rotating}
\usepackage{algorithm2e,algorithmic}
\usepackage{epstopdf}
\usepackage{longtable}
\usepackage{tabularx,ragged2e,booktabs}
\usepackage{graphicx}
\usepackage{color}
%\usepackage{apacite}
\usepackage[misc,geometry]{ifsym}
\usepackage{amsmath}
\usepackage{url}
\usepackage[margin=1in]{geometry}

\usepackage{mathptmx}  

\journalname{Journal Nmae}
\smartqed  


\begin{document}

\title{Insert your title here}
\subtitle{Do you have a subtitle?\\ If so, write it here}

\author{AuthorA \and
        AuthorB \and
        AuthorC 
}



\institute{%
  AuthorA \and AuthorB \and AuthorC 
  \at
  first address \\
  Tel.: [phone]\\
  Fax: [phone]\\
  \email{[email protected]}           
  \and
  AuthorA
  \at
  second address
}

\date{}



\maketitle


\end{document}

图片中的箭头代表文字，机构会在页面底部。