maxdb -complete data backup is failed

Hi experts,

backups (complete and log ) are failing on livecache system.in our envorment we are using backup tool Backint for maxdb

please find the error logs and assist on this

2015-02-27 00:05:04

Filling reply buffer.

    Have encountered error -24920:

        The database request was canceled and ended with error -903. The backup tool ended with 0 as sum of exit codes.

    Constructed the following reply:

        ERR

        -24920,ERR_BACKUPOP: backup operation was unsuccessful

        The database request was canceled and ended with error -903. The backup tool ended with 0 as sum of exit codes.

Reply buffer filled.

Thanks,

siva