When we changed from our former forum software to the current one, one of the differences was how they categorised the various sections and discussions. Long story short, a sub-forum became a “topic”.
That means that when you click on a link to the forum from an old post, you might get a “nothing here” response. But have a look at the top line. If the URL is something like this
Just change the word forum to topic, as in:
hit enter and it will take you where you want to go.
Apologies for the inconvenience. We are updating the links bit by bit but if we haven’t got to it before you do, that’s the simple fix.