Thanks for your answer Lars, but I think I am using the latest version (Kepler Rel 2 with SAP HANA Studio 2.0.8) since I get the message "No updates found" (menu path Help->Check for Updates).
When I try opening the saved PLV-file by menu path File->Open File I get the following error:
I have attached the complete error log.
What do u recommend that I try?