Thank you Will. The problem is with the folder path, our staging server is pointing to, even before integrating our customized code. In order to map our customized View set, we need to be able to select them in Extensibility, but the ViewSets populated in the list are from production website folder, not from staging website folder.
I don't think there any path in the customized code that is effecting, as same code and configuration is working in our Dev server and QA server. And this is happening after removing entire customized code dlls from the website(even though they weren't configured to use). Is this because of the conflict with similar Domain names ( dev.Domainname.com vs
www.Domainname.com )? Is there any setting that I can change to resolve this?
Thank you for your valuable time.