Kickstart installation failed with "Members may not be specified for preexisting volgroup" in Red Hat Enterprise Linux 6

Issue

• Kickstart installation for Red Hat Enterprise Linux 6 failed with the following error.

Members may not be specified for preexisting volgroup

• This is a part for partitioning in the kickstart file.

part /boot --size=512 --onpart sda1
part pv.00 --size=1 --grow --onpart sda3 --noformat
volgroup vg0 pv.00 --useexisting --noformat
logvol /  --vgname=vg0  --size=10240  --name=root --useexisting
logvol /export  --vgname=vg0 --size=1 --grow --name=export --useexisting --noformat
part swap --size=4096 --onpart sda2