The last security version upgrade of MariaDB removed innodb support, breaking old databases. This update fixes this problem. - #704811: mariadb "security update" breaks database Special Instructions and Notes: This update triggers a restart of the software management stack. More updates will be available for installation after applying this update and restarting the application. This update triggers a restart of the software management stack. More updates will be available for installation after applying this update and restarting the application. This update triggers a restart of the software management stack. More updates will be available for installation after applying this update and restarting the application.