I never downloaded the scourcecode, so I can't help you with that.
By the way, do you realise that, even if you have all the skills it takes to make your own 3D MMORPG, it will take several years to develop only the basic features. Remember that planeshift 3d is in developement since 2000 (if I'm correct) and there is a whole team of skilled people working at it. Take it as a reference and estimate your chances. Creating a MMORPG is a huge undertaking. I doubt anyone can make one on his own.