Probem with LU 121430-73 and ZFS cloned zones

Hello,
I was trying to create the very first BE on a Solaris 10 U10 with LU 121430-73.
The system has zones whose filesystems are clones.
Zones have additional ZFS datasets as well.
LU fails.

# lucreate -c s10s_u10 -n BASE
Analyzing system configuration.
No name for current boot environment.
Current boot environment is named <s10s_u10>.
Creating initial configuration for primary boot environment <s10s_u10>.
INFORMATION: No BEs are configured on this system.
The device </dev/dsk/c1t0d0s0> is not a root device for any boot environment; cannot get BE ID.
PBE configuration successful: PBE name <s10s_u10> PBE Boot Device </dev/dsk/c1t0d0s0>.