Backup templates

Hello,

I'm trying to define backup templates for Livecache Backups, but I'm getting this messaege error:

Function            : DBM_EXECUTE

Command             : backup_template_show all

Error               : DBM Error

Return
Code         : -24582

Error
Message       : ERR_FILEREAD: Error
reading file /sapdb/LVC/data/wrk/LVC/BackupTemplates.xml

ERR

-24582,ERR_FILEREAD:
Error reading file /sapdb/LVC/data/wrk/LVC/BackupTemplates.xml

3,Error
during excution of SAX parser

5,SAX error:  no element found

4,Error
in document '/sapdb/LVC/data/wrk/LVC/BackupTemplates.xml' (row: 1, column: 0)

Any suggestion?