Thank you for your message. Actually this problem has been fixed and will be release in the VP Suite 2.1 (including VP-UML 5.1/SDE 3.1 and DB-VA 3.0). The early access version of VP Suite 2.1 will be release soon. If you want to have a try now, please send your user name and email address to rain@visual-paradigm.com so that I can give you the software an the evaluation key. If you have any further questions, please feel free to contact us again.