Erreur de compilation de titre

\documentclass[a5paper,12pt]{book}
\usepackage[francais]{babel}  
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{kpfonts}
\usepackage{booktabs}
\usepackage{pdfpages}
\usepackage{siunitx}
\usepackage{pgfplots}
\usepackage{floatrow}
\usepackage{caption}
\usepackage{graphicx}
\usepackage{listings}
\usepackage{microtype}
\usepackage{varioref}
\usepackage{multirow}
\usepackage{array}
\usepackage{xcolor}
\usepackage[xindy,quiet]{imakeidx}
\usepackage[autostyle]{csquotes}
\usepackage[backend=biber,sorting=none,style=numeric-comp]{biblatex}
\usepackage{hyperref}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{kpfonts}
\usepackage{booktabs}
\usepackage{siunitx}
\usepackage{pgfplots}
\usepackage{floatrow}
\usepackage{caption}
\usepackage{graphicx}
\usepackage{listings}
\usepackage{microtype}
\usepackage{varioref}
\usepackage{array}
\usepackage{xcolor}
\usepackage[xindy,quiet]{imakeidx}
\usepackage[autostyle]{csquotes}
\usepackage{setspace}
\onehalfspacing
\makeatletter 
\renewcommand{\maketitle}{%
    \booltrue{YAD@maketitle@used}

    \vspace{5cm}
    \centering
    \Large{blabla}\par

    \vspace{1cm}
    \centering
{XX}

\par
    \vspace{1cm}
\centering

    \endgroup%
    \restoregeometry%
}

\makeatother
\usepackage[a5paper]{geometry} 
\begin{document}
\frontmatter
\maketitle
\thispagestyle{empty}

\mainmatter
\chapter{Préface}

\end{document}