Just for sake of putting the information all in one place.
I have tried with Chrome, Firefox, and IE (on Win7). I get that error in any browser, when I am logged in. When I am not logged in, I do not get the error in any browser. I have no problems with the General forum in Tapatalk.
Ditto.I am getting it for
General RPG Discussion
D&D House Rules, Homebrews, and Discussion
EN Publishing