It is not you, it is the system. It seemed to start on Sunday for me. There are several postings on the Mudcat Help and Trouble Forum. I would encourage you to go to that site and bookmark it for future reference. It is an outlet Max provided for us to report problems and to feed our Mudcat addiction when the Mudcat Forum freezes up for some reason.
By clicking on the User Name, you will requery the forum for that user. You will see everything that he or she has posted with that Mudcat name.
By clicking on the Thread Name, you will be sent to the Forum on that thread as if you selected it from the main Mudcat Forum page.
By clicking on the Subject, you will also go to the thread as if you selected it from the original Forum page, but also go directly to that particular message.
By clicking on the Date (Posted), you will dig out every message posted that day.