EHP5 software download problems: Internal Error: unable to get software com
We are in the process of upgrading our ERP6 EHP4 system to EHP5. The ERP system has a associated JAVA system with EPcore and XSS. In SMSY the ERP6 system has been setup with product instances: SAP ECC Server, SAP NW - EP core (with technical system the JAVA system running the EP core components) and SAP XSS (selfservices, with technical system the JAVA system running the XSS components). When I try to download the requiered software with the MOPZ however I recieve the following error message in the select OS/DB dependent files screen:
Internal Error: unable to get software components for instance Portal Content Self Services of EHP5 FOR SAP ERP 6.0-03 (12/2010)
After this, I can't continue.
When I try to download software for and EHP4 ABAP only (thus no technical JAVA system assigned in SMSY) the selection/calculation of files appear to go fine. The same if I use a JAVA only system.
Can anyone advise on this?