我有这个代码：
\documentclass[xcolor=dvipsnames]{beamer}
\mode<presentation>
\usetheme{Antibes}
\usecolortheme[named=Green]{structure}
\title[Training And Placement Cell]{Training And Placement Cell}
\subtitle{---}
\author{---}
\institute{---}
\begin{document}
\begin{frame}
\titlepage
\end{frame}
\begin{frame}
\frametitle{Table of contents}
\tableofcontents
\end{frame}
\section{EXISTING SYSTEM}
\begin{frame}{EXISTING SYSTEM}
\begin{block}{}
\begin{itemize}
\item All the entries are done manually.
\item Fake entries can be there
\item System is more error-prone
\item Difficult to manage data of students
\end{itemize}
\end{block}
\end{frame}
\section{PROPOSED SYSTEM}
\begin{frame}{PROPOSED SYSTEM}
\begin{block}{}
\begin{itemize}
\item Providing platform to different departments to register students for placements
\item Saves time and workload of triaining and placement staff.
\item Easy to access.
\item Avoid Fake Entry
\end{itemize}
\end{block}
\end{frame}
\section{INTRODUCTION}
\begin{frame}{INTRODUCTION}
\begin{block}{}
\begin{itemize}
\item This system provides facility to TPC staff to do
work regarding placement of students like:
collecting student records, registering suitable
students, to check the number of placed and
unplaced students, making important
announcements to all departments.
\item Helps to automate and simplify the work.
\end{itemize}
\end{block}
\end{frame}
\section{TOOLS USED}
\begin{frame}{TOOLS USED}
\begin{block}{}
\begin{itemize}
\item \textbf{FRONT END:} \\Asp.Net
\bigskip
\item \textbf{BACK END:}\\My sql. \\ Microsoft IIS Server
\end{itemize}
\end{block}
\end{frame}
\section{PROJECT DIVISION}
\begin{frame}{PROJECT DIVISION}
\begin{figure}{}
\centering
\includegraphics[width=.98\linewidth]{image.png}
\end{figure}
\end{frame}
\section{ADMIN PANEL}
\begin{frame}{ADMIN PANEL}
\begin{block}{}
\begin{itemize}
\item Admin login \bigskip
\item Students detail record.\bigskip
\item Generate list for selected companies.\bigskip
\item Calculate placement percentage.\bigskip
\item Make announcements.
\end{itemize}
\end{block}
\section{USER PANEL}
\begin{frame}{USER PANEL}
\begin{block}{}
\begin{itemize}
\item Enter detail of each student \bigskip
\item Update student detail \bigskip
\item Generate students contact detail for each year and each department.
\end{itemize}
\end{block}
\end{frame}
\end{document}
我是 LaTeX 新手，不知道为什么会出现错误。我使用 TexWorks，它显示了一条不可读的错误消息，例如：
LaTeX Font Warning: Font shape `OT1/cmss/m/n' in size <4> not available
(Font) size <5> substituted on input line 17.
[1{C:/ProgramData/MiKTeX/2.9/pdftex/config/pdftex.map}]
No file new_1_project.toc.
[2] [3] [4] [5] [6] <image.png, id=187, 395.97937pt x 237.13594pt>
<use image.png> [7 <C:/Users/intl/Desktop/image.png>])
Runaway argument?
\let \AtEndDocument \@firstofone \@enddocumenthook \@checkend {docume\ETC.
! File ended while scanning use of \beamer@collect@@body.
<inserted text>
\par
<*> new_1_project.tex
?
答案1
管理面板，frame未关闭。
\section{ADMIN PANEL}
\begin{frame}{ADMIN PANEL}
\begin{block}{}
\begin{itemize}
\item Admin login \bigskip
\item Students detail record.\bigskip
\item Generate list for selected companies.\bigskip
\item Calculate placement percentage.\bigskip
\item Make announcements.
\end{itemize}
\end{block}
\end{frame} % <------ MISSING