Fatal error: Uncaught TypeError: Vente::getDebut(): Return value must be of type string, null returned in /home/gdtyrcsp/public_html/model/vente.php:307 Stack trace: #0 /home/gdtyrcsp/public_html/controller/boutique.php(11): Vente->getDebut() #1 /home/gdtyrcsp/public_html/index.php(81): include('/home/gdtyrcsp/...') #2 {main} thrown in /home/gdtyrcsp/public_html/model/vente.php on line 307