Backup failed but I don't know why?

I don’t know what the reason for this?

Backup details:

Backup destination
	sav/atlanticfoods/backup-2024-03-31 on SSH server amanet.pro
Virtual servers included
	nestrabis.ma
Virtual servers that failed
	nestrabis.ma
Executed via
	Virtualmin UI
	Run by web user
	root
Started at
	03/31/2024 03:43 AM
	Completed at
	03/31/2024 03:43 AM
Final backup size
	20.9 KiB
	Run time
	00 minutes, 05 seconds
Backup type
	Full
	Owners can restore?
	No
Compression format
	tar+gzip
	Filename format
	One file per server
Final status
	Failed
From scheduled backup
	sav/atlanticfoods/backup-%Y-%m-%d on SSH server amanet.pro
Encrypted backup?
	No
	
Full backup output
Testing backup destination sav/atlanticfoods/backup-2024-03-31 on SSH server amanet.pro ..
.. done

Creating backup for virtual server nestrabis.ma ..

    Copying virtual server configuration ..
    .. done

    Backing up Cron jobs ..
    .. none defined.

    Copying records in DNS domain ..
    .. done

    Saving mail aliases ..
    .. done

    Saving mail and FTP users ..
    .. done

    Backing up mail and FTP user Cron jobs ..
    .. none to backup

    Copying Apache virtual host configuration ..
    .. done

    Copying Apache log files ..
    .. done

    Copying SSL Apache virtual host configuration and certificate ..
    .. done

    Copying Logrotate configuration ..
    .. done

    Dumping MariaDB database nestrabis_nestrabis ..
    .. done

    Dumping MariaDB database nestrabis_roundcube ..
    .. done

    Copying Procmail and SpamAssassin configuration files ..
    .. done

    Backing up Webmin ACL files ..
    .. done

    Backing up AWStats configuration file ..
    .. no configuration file found!


        Saving Virtualmin configuration ..
        .. done

        Saving templates and plans ..
        .. done

        Saving email templates ..
        .. done

        Saving custom fields, links, categories and shells ..
        .. done

        Saving custom script installers ..
        .. done

        Saving scheduled backups ..
        .. done

        Saving DKIM settings ..
        .. done

        Saving greylisting settings ..
        .. done

        Save mail rate limiting configuration ..
        .. done

        Saving mail server configuration ..
        .. done

    .. done

Starting backup of 1 domains to sav/atlanticfoods/backup-2024-03-31 on SSH server amanet.pro ..

Testing backup destination sav/atlanticfoods/backup-2024-03-31 on SSH server amanet.pro ..
.. done

Creating backup for virtual server nestrabis.ma ..

    Copying virtual server configuration ..
    .. done
    Backing up Cron jobs ..
    .. none defined.
    Copying records in DNS domain ..
    .. done
    Saving mail aliases ..
    .. done
    Saving mail and FTP users ..
    .. done
    Backing up mail and FTP user Cron jobs ..
    .. none to backup
    Copying Apache virtual host configuration ..
    .. done
    Copying Apache log files ..
    .. done
    Copying SSL Apache virtual host configuration and certificate ..
    .. done
    Copying Logrotate configuration ..
    .. done
    Dumping MariaDB database nestrabis_nestrabis ..
    .. done
    Dumping MariaDB database nestrabis_roundcube ..
    .. done
    Copying Procmail and SpamAssassin configuration files ..
    .. done
    Backing up Webmin ACL files ..
    .. done
    Backing up AWStats configuration file ..
    .. no configuration file found!

        Saving Virtualmin configuration ..
        .. done
        Saving templates and plans ..
        .. done
        Saving email templates ..
        .. done
        Saving custom fields, links, categories and shells ..
        .. done
        Saving custom script installers ..
        .. done
        Saving scheduled backups ..
        .. done
        Saving DKIM settings ..
        .. done
        Saving greylisting settings ..
        .. done
        Save mail rate limiting configuration ..
        .. done
        Saving mail server configuration ..
        .. done
    .. done

    Backup failed! See the progress output above for the reason why.

please if you can help

The backup failed because Virtualmin couldn’t find the expected AWStats configuration file. A possible solution is to turn off the AWStats feature on the Edit Virtual Server page before making the backup.

Thank you very much Mr Ilia

Starting backup of 1 domains to /sav/backup-2024-04-04 on SSH server amanet.pro …

Testing backup destination /sav/backup-2024-04-04 on SSH server amanet.pro …
Failed to connect to SSH server : @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: POSSIBLE DNS SPOOFING DETECTED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ The ECDSA host key for amanet.pro has changed, and the key for the corresponding IP address 161.97.143.46 is unknown. This could either mean that DNS SPOOFING is happening or the IP address for the host and its host key have changed at the same time. @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a host key has just been changed. The fingerprint for the ECDSA key sent by the remote host is SHA256:A1kGskeA0W86W7LNnx8uxuimsmf6DI6fRfNmHI1/6bA. Please contact your system administrator. Add correct host key in /root/.ssh/known_hosts to get rid of this message. Offending ECDSA key in /root/.ssh/known_hosts:1 remove with: ssh-keygen -f “/root/.ssh/known_hosts” -R “amanet.pro” ECDSA host key for amanet.pro has changed and you have requested strict checking. Host key verification failed. lost connection

Backup failed! See the progress output above for the reason why.

I suggest you read the error.

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