\documentclass{yathesis}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{kpfonts}
\usepackage{lipsum}
\makeatletter
\renewcommand{\makeabstract}{%
\ifbool{YAD@nomakeabstract}{%
}{%
\YAD@alarm@noabstract%
}%
\pagestyle{preliminary}%
\YAD@phantomsection%
\addcontentsline{toc}{chapter}{\abstractname}%
\booltrue{YAD@makeabstract@used}%
\bgroup%
% \setlength{\footskip}{-15pt}%
\setfootrule{0pt}%
\setfoot[][%
\ifboolexpr{%
bool {YAD@inprogress@work}%
or bool {YAD@inprogress@work@star}%
}{%
\textsc{\translate{lbl-inprogressfoottext} \today}%
}{%
\ifboolexpr{%
bool {YAD@submitted@work@star}%
}{%
\textsc{\translate{lbl-submittedfoottext} \today}%
}{%
}%
}%
][]{%
% \YAD@laboratory@abstract@page%
}{}{}%
\cleardoublepage%
\renewcommand{\YAD@chapter@header}{\abstractname}%
\renewcommand{\YAD@section@header}{\abstractname}%
\YAD@abstract@page%
\cleardoublepage%
Vous avez besoin d'utiliser
numlaboratories=0
. Voir ce fil.Effectivement en rajoutant la commande yadsetup{numlaboratories=0} c'est ok ! Et j'ai pu supprimer la modification de commande de l'abstract qui crée des petits bugs ! Merci !