I did oasis and got this...please explain - syed

[ArchivalUser]

Hi tried to do oasis as i took my exam on 26th April...I tried to re appy but i got in red ink that I was Our records indicate that you are already registered for this Step or Step Component. You may not apply for a Step or Step Component if you are already registered for that Step or Step Component. If you fail a Step or Step Component, you may submit another application for this exam, but certain time limits apply for retaking a Step or Step Component.
PLEASE EXPLAIN...THANKS A LOT