Backup job failed

Hi All,

Can anyone suggest to resolve this issue.

Executed as user: S233683-AD01\S233683NJ3SQL05. ...at file already exists.' [SQLSTATE 42000] (Error 22048)  ERROR -- Could not backup database: master - BACKUP DATABASE is terminating abnormally. [SQLSTATE 42000] (Error 50000)  xp_create_subdir() returned error 183, 'Cannot create a file when that file already exists.'

Thanks in Advance