: If you have two routers (e.g., an ISP modem and a personal router), you may have a "Double NAT" which blocks peer-to-peer traffic. You should put the ISP modem into Bridge Mode or forward ports on both devices.
If error persists after the above:
After extensive research and analysis, we have identified several potential causes of the 6023 Parsec error exclusive. These include: 6023 parsec error exclusive