[Users] ovirt-setup error

[lofyer]

After a successful engine-setup, I tried engine-cleanup or engine-setup, 
I got an error like this:
[ INFO  ] Stage: Initializing
[ ERROR ] Failed to execute stage 'Initializing': File contains no 
section headers. file: /etc/ovirt-engine-setup.conf.d/20-setup-aio.conf, 
line: 1 "('[environment:default]', 'OVESETUP_AIO/enable=bool:False')\n"
[ INFO  ] Stage: Clean up
           Log file is located at 
/var/log/ovirt-engine/setup/ovirt-engine-remove-20130811044942.log
[ INFO  ] Stage: Pre-termination
[ INFO  ] Stage: Termination