The staff is aware of the situation and has requested the site server admins troubleshoot and resolve the issue.
In the mean time, when making a post or sending a PM, allow the ~10 seconds (sometimes up to a minute) it's taking to submit the post/PM. DO NOT hit send again or go back a page and then forward again as this will result in a double post/PM.
Thanks in advance for your patience.
Ginsue