i think the mysql database might be not working properly... if you get a mail error, click back, and then DO NOT resend it, you will have double posts or double topics made...
mysql has these errors like the mail one, but it is nothing usually. most of the time, it still posts your thing.
For Some reason i cant go to the Premium renders forum... The error i get: Sorry, an error occurred. If you are unsure on how to use a feature, or don't know why you got this error message, try looking through the help files for more information. The error returned was: Sorry, but you do not have permission to use this feature. If you are not logged in, you may do so using the form below if available. Useful Links · Forgotten Password Recovery · Register a new account · Our help documentation · Contact the forums administrator