Investigate original game behavior: Joining races while in a group

[CakeLancelot]

The packet handler for sP_FE2CL_REP_EP_RACE_START_FAIL contains the following code:

case 822083749u:
	GameFrameEpContainer.DeactivateRings(myuser.position);
	ReceivePacketToMode(myEvent);
	if (csSocketData2.GetStructT<sP_FE2CL_REP_EP_RACE_START_FAIL>(0).iErrorCode == 8)
	{
		cnSystemMessageManager.SendSystemMessageBox(base.gameObject, 150, "", "", null);
	}
	return;

'm_szString' in m_pMessageTable['m_pMessageData'] is SORRY!\nYou cannot start a race when in a group.

This pretty much confirms the behavior should be implemented, but I'd like to see if someone could find this in action in an old video just to be sure.