Cannot use hdbalm to do create / delete operation

HI,

I use a HANA instance in AWS (SAP HANA, developer edition 1.0 SPS 12) and try to use the client tool hdbalm to create delivery unit / package in my trial HCP account.

First I tried to list the delivery unit and it was successful.

When I tried to delete a package or create a du, error occurred (Unkown operation undefined).

I'm wondering if I need to add some permissions/roles. How can I fix this?

Thanks.

Pinghua