Auto leave party

[Deepguy]

I dont know why, but when i finish a dungeon i'm offline for my friends and i auto left the group, but, for me i still in party and online. I need to restart game to fix it, but in the next dungeon it happens again... Can anyone help me with this?

[QrK^]

A friend to me has the same problem BUT sometimes he get "offline" before we get a groupe. It's really kills the game!