Please check that no outage/degradation/maintenance is going on via the:
OFFICIAL FOR HONOR FORUMS
SUPPORT WEBSITE
PSN STATUS WEBSITE
Should the issue occur outside of an outage, a degradation or a maintenance, please check our FAQ for PLAYSTATION 4 CONNECTION ISSUES.
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.