Error updating to 1.2.2

Hi, when i try update to V1.2.2 i get this error

root@hweb:~# apt update && apt install --reinstall hestia

Reading package lists… Done
E: The repository ‘https://mirror.mva-n.net/mariadb/repo/10.4/ubuntu bionic Release’ does not have a Release file.
N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
root@hweb:~#

Fixed running: sudo apt install ca-certificates