我是 LaTEX 新手。我的文档编译完全正常。我添加了 \usepackage{biblatex}，编译失败。因此删除了 biblatex 包并重试，但现在我的编译再次失败。我不知道发生了什么，如果我的文本与之前完全相同，它肯定应该可以运行？
这是我的预文档
\documentclass[12pt]{article}
这是我的文档。希望它能有所帮助。
begin{document}
\begin{titlepage}
\newcommand{\HRule}{\rule{\linewidth}{0.5mm}}
\center
\textsc{\LARGE University of Manchester}\\[1.5cm]
\textsc{\Large School of Mathematics}\\[0.5cm]
\textsc{\large MMath Project}\\[0.5cm]
\textsc{\large MATH$40000$}\\[0.5cm]
\HRule \\[0.5cm]
{ \huge \bfseries Soft Tissues }\\[0.4cm]
\HRule \\[1.5cm]
\begin{minipage}{0.4\textwidth}
\begin{flushleft} \large
\emph{Author:}\\
Billy \textsc{Cole}
\end{flushleft}
\end{minipage}
~
\begin{minipage}{0.4\textwidth}
\begin{flushright} \large
\emph{Supervisor:} \\
Dr. William Parnell
\end{flushright}
\end{minipage}\\[2cm]
{\large \today}\\[2cm]
\vfill
\end{titlepage}
\tableofcontents
\clearpage
\begin{abstract}
abstract-text
\end{abstract}
\clearpage
\section{The Biology of Collagen}
\subsection{Collagen}
% PARAGRAPH
% intro to the abundance and importance within the body?
% into to, what actually is collagen?
% why is it in this thesis?
% PARAGRAPH
% more specific molecular structure of collagen.
% why this molecular structure makes it strong.
% PARAGRAPH
% hierarchy structure of collagen
% why this hierarchy structure makes it strong.
% include anisotropic properties.
% include
% PARAGRAPH
%
\subsection{Other Types of Tissue that Need to be Noted}
\subsection{How Collagen Works on the Chosen Soft Tissue}
% PARAGRAPH
% definitions of stress and strain
% and why
\subsection{Modelling Soft Tissues}
% PARAGRAPH
% the process of mathematical modelling
% PARAGRAPH
% intro to Linear Elasticity
% intro to Non linear Elasticity
% intro to Visoelasticity
\subsection{Extra Chapter}
% maybe on the ageing of collagen.
\clearpage
\section{The Mathematics}
\clearpage
\section{Modelling}
\clearpage
\section{Conclusion}
\clearpage
\section{Appendix}
\clearpage
\section{Bibliography}
%\begin{thebibliography}
%
%%\bibitem[lable]{marker}
%
%\end{thebibliography}
\end{document}