fixed error when saving a new config-value
fixed error when saving a new config-value

boehlke/OpenSlides,jwinzer/OpenSlides,jwinzer/OpenSlides,tsiegleauq/OpenSlides,boehlke/OpenSlides,tsiegleauq/OpenSlides,boehlke/OpenSlides,FinnStutzenstein/OpenSlides,OpenSlides/OpenSlides,emanuelschuetze/OpenSlides,ostcar/OpenSlides,OpenSlides/OpenSlides,ostcar/OpenSlides,normanjaeckel/OpenSlides,emanuelschuetze/OpenSlides,jwinzer/OpenSlides,jwinzer/OpenSlides,FinnStutzenstein/OpenSlides,rolandgeider/OpenSlides,jwinzer/OpenSlides,emanuelschuetze/OpenSlides,CatoTH/OpenSlides,FinnStutzenstein/OpenSlides,ostcar/OpenSlides,CatoTH/OpenSlides,normanjaeckel/OpenSlides,CatoTH/OpenSlides,boehlke/OpenSlides,normanjaeckel/OpenSlides,normanjaeckel/OpenSlides,rolandgeider/OpenSlides,emanuelschuetze/OpenSlides,tsiegleauq/OpenSlides,rolandgeider/OpenSlides,FinnStutzenstein/OpenSlides,CatoTH/OpenSlides