basicly, i can join every party on the EU elite server, BUT, my friend that play the same, i chan´t join, trade, duel, invite or anything with him, and he chan´t do those things eaither, we can join some1 elses party and play togheter but we chan´t make our own partys or trade / duel

Did you guys accidentally add each other to your ignore list? i have done this a few times and its a hard thing to notice.

Trying going ingame and typing /unignore name

ty it helped

Ya it took me a while to realize that also, glad to help