Please check that no outage/degradation/maintenance is going on via the official For Honor forums HERE or the support website HERE.
Should the issue occur outside of an outage, a degradation, or a maintenance, please reboot the game. If the issue still persists, restart your console or PC.
If the error still occurs after restarting your console or PC, you may find the information in the following FAQs useful:
If you are looking for more information on error codes in For Honor, please check our LIST OF ERROR CODES.
If you continue to get this error code when attempting to connect to Multiplayer, please contact us HERE.
If you continue to get this error code when being disconnected from Multiplayer, please contact us HERE.