Error New WS Configuration

Hi all,

I am trying to create a new web service configuration and it fails with the following error when I try to load the form. 

2 topics are already talking about my problem but nobody gave a solution : 

http://www.aras.com/Community/forums/t/7574.aspx

http://www.aras.com/Community/forums/p/7531/15640.aspx

Could you help me please ? 

Tristan ROQUES