-24985: ERR_MENOTFOUND - medium not found 

Explanation:

You specified a backup template that is not defined.

User Response:

●     Check whether you entered the name of the backup template correctly.

●     Use a different backup template.

●     Create a new backup template with this name.

●     If you cannot resolve the error, contact Support.

See Support.

See also:

Concepts of the Database System, Backup Templates and Data Carriers