编译后出错

编译后出错

I can't write on file "Boolean Algebra and Automata Theory.pdf"'. ...{\numberline {1.12}Boolean polynomial}{53}为什么编译后会出现此错误?
我使用的是 Miktex 控制台版本 2.9 和 Texstudio 编辑器。
我的代码是:

\documentclass[12pt,a4paper]{article}
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{amssymb}
\usepackage{ragged2e}
\usepackage{centernot}
\usepackage{tikz}
\usepackage{circuitikz}
\usepackage{afterpage}
\usepackage{fancybox}
\usepackage[breakable]{tcolorbox}
\usepackage{enumerate}
\usepackage{tabularx}
\usepackage{graphicx}
\usepackage{titlesec}
\usepackage{array}
\usepackage{ulem}
\usepackage{placeins}
\usepackage{parskip}
\usepackage{everypage}
\usepackage{caption}
\setcounter{secnumdepth}{4}
\setcounter{tocdepth}{4}
\begin{document}
    \title{Boolean Algebra and Automata Theory} 
    \author{Manjoy Das\\  email-id\\ contact number} % this line is marked red
    \date{}
    \maketitle
    \tableofcontents
    \newpage
               text
    \clearpage
    \subsection{Boolean polynomial} %<--- the subsection in the error line as shown
               text
\end{document}

后来我添加了我的联系电话。添加之前,一切都很好。

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