I don't know if this is due to the last maintenance or not, but I didn't notice it until then. If I click on the "New Post" icon (the little blue arrow to the left of the thread title) I get a blank page with a bunch of error messages. See attached screen shots.
Mine gives the same error message when I'm in main forum page and try to click on the newest post on the right side. Now I have to go into the titled forum page on the left then click the newest post on the left.