[Users] Testing ovirt all in one on F18 gives error on DB creation

Hello, testing oVirt for with all in one config in f18 beta. engine-setup fails in Database creation and in db log file: saying to check log file /var/log/ovirt-engine/engine-setup_2012_12_01_15_35_22.log I can see 2012-12-01 15:36:32::DEBUG::setup_sequences::59::root:: running _createDB 2012-12-01 15:36:32::DEBUG::engine-setup::937::root:: installing postgres db 2012-12-01 15:36:32::DEBUG::engine-setup::940::root:: engine db creation is logged at /var/log/ovirt-engine//engine-db-install-2012_12_01_15_36_32.log 2012-12-01 15:36:32::DEBUG::common_utils::309::root:: Executing command --> '/usr/share/ovirt-engine/dbscripts/engine-db-install.sh -l engine-db-install-2012_12_01_15_36_32.log -w ******** -u postgres -s localhost -p 5432 -r local' 2012-12-01 15:36:40::DEBUG::common_utils::335::root:: output = Running local installation adding uuid-ossp.sql from contrib... error, failed creating enginedb How can I workaround this? Do I have to rollback what already done by engine-setup or can I only resolve the db part? Version I find is ovirt-engine-setup-3.1.0-1.fc18.noarch Thanks Gianluca