500 Internal Server Error

[papakilo]

Hello, now I wan't to ask something about my site. I have make an event for x'mas day, so pilot can be signup for that events, but now i had a problem, i can't access my event page, if i has lagged in, but if not, it will be working without problems, and the pilot must be logged in if them want to book flight for those event. If I visit another link, it will be work without problems. Link : papakilovirtual.tk/index.php/events/get_event?id=1 | When i visit same link with another id, like papakilovirtual.tk/index.php/events/get_event?id=2, I can access those. Please answer ASP, this event will be released 2 days before events, it's mean, tommorow will be released to public, thank's.