Backup Fails - The media provided already contains data

[wmatula]

It seems like the backup is trying to move to the second tape but gives me an error about the first tape containing data.

Backup Exec V.8.50 Rev 3571

Here is part of the log file for the job.


Media Name: "Media created 12/15/2008 10:00:09 PM"
Backup of "Z: Drive Z:"
Backup set #3 on storage media #1
Backup set description: "Monday Full"
Backup Type: NORMAL - Back Up Files - Reset Archive Bit
Backup started on 12/15/2008 at 10:28:49 PM.
File "Precipitation.htm" in use - Backed up.

Drive and media information from media mount:
Changer Name: ADIC 1
Drive Name: QUANTUM 5
Media Slot: 1
Media Cartridge Label: DLT000057
Targeted Media Set Name: Media Set 1
Backup set #3 on storage media #2

Drive and media information from media mount:
Changer Name: ADIC 1
Drive Name: QUANTUM 5
Media Slot: 2
Media Cartridge Label: DLT000058
Targeted Media Set Name: Media Set 1
The media provided to continue the backup already contains data
from one or more sets created during this operation.
The operation can not be continued