2022-09-02 01:41:30,279: WARNING - /dev/disk/by-id/ata-ST9500325AS_6VESTVXS does not exist, so cannot grub-install to it!
2022-09-02 01:41:30,287: WARNING - You must correct your GRUB install devices before proceeding:
2022-09-02 01:41:30,289: DEBUG -
2022-09-02 01:41:30,289: WARNING - DEBIAN_FRONTEND=dialog dpkg --configure grub-pc
2022-09-02 01:41:30,291: WARNING - dpkg --configure -a
Ça semble être le même problème dont on discute ici : YunoHost 11.0 (Bullseye) release / Sortie de YunoHost 11.0 (Bullseye) - #323 by Aleks