SBS 2003 Backup Fail

So for the past couple of days the SBS 2003 Backup has been failing. I've been able to run a few successful jobs. When I go and directly open the script.bks file there are two lines at the bottom that say something about JET. Somebody told me once to remove those and it would fix. I'm still having problem and would like to know if anybody has any suggestions.

Script.Bks:
SystemState
C:\
D:\
F:\ /Exclude
F:\ServerBackup\Backup Files\ /Exclude
JET SVR01\Microsoft Information Store\First Storage Group\
JET SVR01\Microsoft Information Store\Recovery Storage Group\

Backup Log:
4/24/2008 9:51 AM
-------------------------------
Date: 4/24/2008
Time: 9:51 AM
User: administrator
-------------------------------

Backup Runner started.
Launching NTBackup: ntbackup.exe backup "@C:\Program Files\Microsoft Windows Small Business Server\Backup\Small Business Backup Script.bks" /d "SBS Backup created on 4/24/2008 at 9:51 AM" /v:yes /r:no /rs:no /hc:off /m normal /j "Small Business Server Backup Job" /l:s /f "F:\ServerBackup\Backup Files\Small Business Server Backup (01).bkf" /UM
NTBACKUP LOG FILE: C:\Documents and Settings\SBS Backup User\Local Settings\Application Data\Microsoft\Windows NT\NTBackup\data\backup01.log
=====================<BEGIN NTBACKUP LOG FILE>=====================
The saved selection file "Script.bks" cannot be found.
The saved selection file "Script.bks" cannot be found.
=======================<END NTBACKUP LOG FILE>=====================
NTBackup finished the backup with errors.

For more information about failed backups, see the article on troubleshooting your backup at the following Web page: http://go.microsoft.com/fwlink/?LinkId=18414

Backup ended at Thursday, April 24, 2008 9:51 AM
Backup Runner finished.