Can not join server as host has downloadable content
every time I try to join a server I get this message, when I go to server list I get about five servers that I can connect too but they are always empty, this has gone on for the last couple of months, I have played the game before and I have veteran all classes ( bar archer ), I say this just to show I am fairly compitant has to how to connect to servers and the such. I have tried multiple reboots of the game, re-installations (two). If I try to join a server my friend is in I get that error message (the title) and vice-verse for when they try to join one of the few servers I can connect to.
Please help me ASAP. thanks for reading!