Permissions Error

It would seem that some of my users play a game, and after the game they try to save the score and they get the error above. It would seem that they are getting logged out or something. I changed my cookie expiration time to 1800 seconds but I don't know if thats exactly the problem and I was wondering what you guys had to say about it. Luckly, ever sense I did a clean install of the arcade I have not had any database problems.

Thanks.

[Kacela]

Have those users that are having time-out issues log out of vBulletin, then log back in, but this time check the little checkbox that says "Remember Me?" It took me days to figure that out... no matter what the session expiration was set at, some of my users would get logged out on the longer games... Hopefully this helps!

[Endurer]

Users at my board who have selected to stay hidden at the board are also getting this permission error.