After the move to the new forum software earlier this year, I have been sometimes getting the following message:
Though I'm able to recover by the suggested reload, if this occurs after writing or editing a post then going back from this message usually loses everything that was typed (just from the "Back", obviously the "reload" will get rid of it but it could be copied before that) so it can be very frustrating.
Your submission could not be processed because the token has expired.
Please push the back button and reload the previous window.
Trouble Free Pool
Though I'm able to recover by the suggested reload, if this occurs after writing or editing a post then going back from this message usually loses everything that was typed (just from the "Back", obviously the "reload" will get rid of it but it could be copied before that) so it can be very frustrating.