我正在根据文件夹结构生成一长串文件、部分和小节的列表。
输出当前如下：
\documentclass{article}
\usepackage{fontspec}
\usepackage{datetime}
\setmainfont[]{Source Sans Pro}
\usepackage{fancyhdr}
\title{List of uploaded talks}
\date{Last updated: \today~\currenttime}
\author{}
\pagestyle{fancy}
\fancyhf{}
\lhead{List of uploaded talks}
\rhead{Last updated: \dayofweekname{\day}{\month}{\year}~\currenttime}
\begin{document}
\section*{03 - Tuesday}
\subsection*{10.30 Session 1}
\subsubsection*{10.30 - Plenary, David Reby}
\subsubsection*{11.20 - Oral presentations}
\begin{itemize}
\item OP\_DogDirectedSpeech\_Lesch\_CSF2018\_powerpoint.pptx
\end{itemize}
\subsubsection*{11.50 - PK presentations}
\begin{itemize}
\item PK - AndreaSommese.pptx
\end{itemize}
\subsection*{13.00 Session 2}
\subsubsection*{13.00 - Oral presentations}
\begin{itemize}
\item OP - Rowena Packer.pptx
\end{itemize}
\subsubsection*{13.30 - PK presentations}
\begin{itemize}
\item Carla.Eatherington\_PK.pptx
\item Zamansky-PK.pptx
\end{itemize}
\subsection*{15.00 Session 3}
\subsubsection*{15.00 - Plenary, Anna V. Kukekova}
\subsubsection*{15.50 - Oral presentations}
\subsubsection*{16.20 - PK presentations}
\subsection*{17.10 Session 4}
\subsubsection*{17.10 - Oral presentations}
\subsubsection*{17.40 - PK presentations}
\section*{04 - Wednesday}
\subsection*{11:00 - Session 6}
\subsubsection*{11:00 - Plenary, Miha Krofel}
\subsubsection*{11:50 - Poster teasers, video abstracts}
\subsection*{14:45 - Session 7}
\subsubsection*{14:45 - Plenary, Juliane Kaminski}
\subsubsection*{16:05 - Round table}
\subsection*{9:00 - Session 5}
\subsubsection*{10:20 - PK presentations}
\subsubsection*{9:00 - Plenary, Nicola J. Rooney}
\subsubsection*{9:50 - Oral presentations}
\section*{05 - Thursday}
\subsection*{11:00 - Session 9}
\subsubsection*{11:00 - Young scientist talk, Charlotte Duranton}
\subsubsection*{11:50 - Poster teasers, videoabstracts}
\subsection*{14:30 - Session 10}
\subsubsection*{14:30 - Plenary, Bridgett vonHoldt}
\subsubsection*{15:20 - Oral presentations}
\subsubsection*{15:50 - PK presentations}
\subsection*{16:30 - Session 11}
\subsubsection*{16:30 - Oral presentations}
\subsubsection*{16:45 - PK presentations}
\subsection*{9:00 - Session 8}
\subsubsection*{10:20 - PK presentations}
\subsubsection*{9:00 - Plenary, Greger Larson}
\subsubsection*{9:50 - Oral presentations}
\section*{06 - Friday}
\subsection*{11:00 - Session 13}
\subsubsection*{11:00 - Oral presentations}
\subsubsection*{11:30 - PK presentations}
\subsection*{9:00 - Session 12}
\subsubsection*{10:20 - PK presentations}
\subsubsection*{9:00 - Plenary, Claudia Fugazza}
\subsubsection*{9:50 - Oral presentations}
\section*{Uncategorized}
\begin{itemize}
\item 0R-csf2018-daniela-poertl-epigenetics.pptx
\item CSF2018\_detailed\_program.pdf
\item Carla\_Eatherington.PT.pptx
\item Csibra\_Barbara\_CSF\_ADHD\_personality\_inhibition\_OP.pptx
\item Gogoleva\_Fox\_vocalizations\_oral.zip
\item Hielscher\_physical activity\_PT.pptx
\item J.E.vanderLaan\_SleepyShelterDogs\_OP.zip
\item Johnston\_PK\_420.pptx
\item NotFoundError
\item NotFoundError (2)
\item Oral presentation CSF 2018 short.docx
\item PK S.Corsetti.ppsx
\item PK\_CSF2018-Christoph\_Jung\_scavenging\_hypotheses.pptx
\item PK\_Fanni Lehoczki\_puppy separation calls.pptx
\item PK\_Pongracz\_CSF2018\_Sizeawareness.pptx
\item PT-vaataja-dogactivitytracker.mp4
\item Paula Calvo Effects of dog assisted therapy PK.pptx
\item PechaKucha\_CSF2018-Christoph\_Jung.pptx
\item Range\_Recruitment for cooperation.pptx
\item csf2018-daniela-poertl (2).pptx
\item csf2018-daniela-poertl.pptx
\item malandrucco\_Video abstract.mp4
\end{itemize}
\end{document}
我觉得这没问题，但是输出显然是错误的。这里出了什么问题？我遇到了这个错误：Overfull \vbox (329.73178pt too high) has occurred while \output is active []但我不明白为什么会发生这种情况。
知道哪里出了问题吗？