After restart UPDATE FAILED LibreELEC dont start

1st Official Post

    Hi,

    i have a Raspberry Pi 3 with Libreelec 8.2.1 after restart he write UPDATE FAILED.

    Now i cant start the system. At boot i see the LibreELEC logo and an Error


    *** Error in prepare_sysroot: mount_common: Could not mount /flash/SYSTEM ***

    ### Starting debugging shell... type exit ro quit ###

    sh: can't access tty; job control turned off

    # _

    Can anyone help me please how i can fix this Problem. I have no Backup from the system and i hape i can repair it and not flash the SD Card.