Description of the bug:
Well i lost my score not 1 time but 2 the first time i had 89 score and i pressed f4 to rechoose class i couldn't (registration required) the 2nd i did /q and when i came back (registration required) that time i had taken photos to prove my 84 score.
Images of the bug:
(http://i45.tinypic.com/25sy8v6.jpg)
Should be sorted now, If not. Contact me or another admin.