Error when used hana studio to import Delivery Unit

HANA version:1.00.80.00.391861

HANA studio version:1.80.3

Plantform :SUSE Linux Enterprise Server 11.2

I meet a error when used hana studio followed that steps to import Delivery Unit:

Launch HANA Studio 

Select your HANA instance

On the Quick launch page, choose Content -> Import

Now Select HANA Content -> Delivery unit.

Choose Next

Select the server, browse the Service DU (Service DU on server: SYS/global/hdb/content): HCO_INA_SERVICE.tgz

Who can help me what shoud i do.

thanks.