bug when backing up the same folder name from 2 different volumes

I have an Xserve I'm running QRecall on. It's running 10.4.9 Server PowerPC version. There are three 400gb hard drives.
Server HD
data01
data02

data01 and data02 both have a folder called Users on them. I creatd a Recall archive called Home Folders. I added /Volumes/data01/Users/ and /Volumes/data02/Users/ to this archive. The Users on data01 backs up. The Users on data02 get an error and not a single file is backed up.

Can this be fixed?