If you are getting above error when trying to add a domain name from HELM control panel. Please check and make sure you have setup your resource limit for hosting plan correctly. You must at least allow:
- 1 domain quota
- 1 POP3 mailbox quota
You may refer to tutorial at URL below on how to setup a hosting plan under your HELM reseller account:
Note: In HELM Control Panel, 0 = zero. For unlimited value, please specify 99999.