Gewad

This is what I found suggested by other people, maybe that helps.

Did you by any chance download a profile from the internet? Because maybe you have downloaded one from someone who owns more DLCs than you do. Maybe you should try creating a new Profile and then seeing if that also refuses connection for the same reason. If yes than there is another problem, if no try to find a profile that has the same DLCs as you. This also might be an entirely different problem, just trying to suggest some possibilities.

I actually think this is a pretty good idea. I wonder how you would implement it though. Maybe do something like: <R,G,B>, could work. The limit of characters you can use in your tag would have to increase though. Overall +1.