So here's my problem. At first, I had a message error like "FileNotFoundException". Then I searched for an solution here and found someone who just moved his "sitecake.php" into a file in www. That's what I did but did not resolved my problem. I replaced sitecake.php at the right place and now only a empty page appears..
This is how I installed this :
You can see this at http://qoba.be/sitecake.php
Thanks for your help!