This Soumya, i have a query regarding Magic Xpa RIA execution and need your timely help on this . I have been using UniPaas Version 1.9 from a Long time and now planning to move to XPA 4.5, I am trying to build a RIA application for the first time and not able to excute the sample programme and getting the below error Messages when i launch the application. Can someone please guide me on how to deploy a RIA application. Please find the attachment which contains the screen-shots (steps) which i followed to launch the application. Will be grateful for your kind suggestions and help.