Hi Richie,
after Signing, Clean & Building the application, the problem still persists.
When I try to open the home.xsp (/apps/webgate/vrwebgate.nsf/home.xsp) :
[0718:000A-0C68] 03/01/2013 09:31:52 AM HTTP JVM: CLFAD0141E: Error processing XPage request. For more detailed information, please consult error-log-0.xml located in D:/Lotus/Domino/Data/domino/workspace/logs
[0718:000A-0C68] 03/01/2013 09:31:52 AM HTTP JVM: CLFAD0211E: Exception thrown. For more detailed information, please consult error-log-0.xml located in D:/Lotus/Domino/Data/domino/workspace/logs
[0718:000A-0C68] 03/01/2013 09:31:52 AM HTTP JVM: CLFAD0246E: Exception occurred servicing request for:/apps/webgate/vrwebgate.nsf/home.xsp - HTTP Code: 500. For more detailed information, please consult error-log-0.xml located in D:/Lotus/Domino/Data/....
:)
cheers