This has been brought up and is in the "Accepted Bugs" sub-thread. So now just have to wait for them to find the problem and put out a hotfix for it.

http://forum.square-enix.com/ffxiv/t...y-Finder-Error - Currently in Accepted Bugs
http://forum.square-enix.com/ffxiv/t...ot-let-them-in. - Similar Issue with a different roulette. Currently in the Duplicate Bugs sub-thread.