cleartool mkvob -tag /vobs/QN_PVOB -ucmproject -c "QingNiao PVOB" /vobdata/ccstg/VOBs/QN_PVOB.vbs
cleartool: Error: getgroups failed: A system call received a parameter that is not valid.
cleartool: Error: Operation "credutl_get_sid_credentials" failed: A system call received a parameter that is not valid..
cleartool: Error: Unable to create versioned object base "/vobdata/ccstg/VOBs/QN_PVOB.vbs".