I was talking to a friend and he ask me to help him with something that my Chat went blank and I don’t have a Chat option on settings Bar
On your PlayStation go to Settings > Storage > System Storage > Saved Data > DC Universe Online > Options > Delete. Deleting your profile settings should reset your chat options.
Put a ticket in with support: https://help.daybreakgames.com/hc/en-us/categories/204228467-DC-UNIVERSE-ONLINE