Update your client to version 0.5.9
If you don't know how to do that look at this thread: http://sunwire.info/board12-announcements/p53-installing-the-latest-tekkit-lite-version/#post53
No problem. Is corrected
21theRIDER you are whitelisted too
Please notice that we are running Version 0.5.9
We see alot of people connecting with 0.5.7