The Chronicles of Riddick: Assault on Dark Athena v1.01 Patch notes:

Multiplayer - User is unable to join an online session hosted by a patched game or a game with downloaded content and message "Blahblah" is displayed.

Multiplayer - User is unable to join an online session if the port is not forwarded to 30000. This causes the message "session no longer exists" to be displayed.

Assault on Dark Athena - Game crashes on throwing the guards body into the rotating fan.