[Users] Install RPM: Can't encrypt database password

I make rpm from git repo today, when I ran engine-setup, I got answer like this: Internal Error: Can't encrypt database password And here's the log file: 2013-05-09 13:56:25::ERROR::engine-setup::2528::root:: Traceback (most recent call last): File "/usr/bin/engine-setup", line 2522, in <module> main(confFile) File "/usr/bin/engine-setup", line 2289, in main runSequences() File "/usr/bin/engine-setup", line 2208, in runSequences controller.runAllSequences() File "/usr/share/ovirt-engine/scripts/setup_controller.py", line 54, in runAllSequences sequence.run() File "/usr/share/ovirt-engine/scripts/setup_sequences.py", line 154, in run step.run() File "/usr/share/ovirt-engine/scripts/setup_sequences.py", line 60, in run function() File "/usr/bin/engine-setup", line 1475, in _encryptDBPass maskList=masked_value_set) File "/usr/share/ovirt-engine/scripts/common_utils.py", line 1282, in encryptEngineDBPass output, rc = execCmd(cmdList=cmd, failOnError=True, msg=output_messages.ERR_EXP_ENCRYPT_PASS, maskList=maskList) File "/usr/share/ovirt-engine/scripts/common_utils.py", line 499, in execCmd raise Exception(msg) Exception: Internal Error: Can't encrypt database password What's the problme?