HELP- 'there is not a Parent object'

Hi, While we are trying to add a domain , 'there is not a Parent object' error is showing: The following object(s) were found to have ERRORS: --- Create FAILED: [domain] secureservices.bh ***Error: Authorisation failed ***Info: Syntax check passed domain: secureservices.bh descr: Secure Services Bahrain admin-c: ST2316-RIPE tech-c: BM1147-RIPE zone-c: BM1147-RIPE mnt-by: MNT-NORTHSTAR changed: binoy@northstar.bh 20100522 source: RIPE nserver: DNS1.NETTICA.COM nserver: DNS2.NETTICA.COM password: ******** ***Error: There is no parent object ***Info: Authorisation for [domain] secureservices.bh using mnt-by: authenticated by: MNT-NORTHSTAR Why I am getting this error. What I am doing wrong? Please help. Regards, Binoy.