Slitherine

I recently started a Byzant campaign and I admit it has been a while since I last looked at them. I had a civil war, one of my armies revolted along with some governor, and add in a coup and its been a wild ride so far. However I noticed that after the initial coup I am no longer gaining any legacy. I have built some legacy producing structures but still no legacy gain for me. I checked the legacy on the map and it says that there is a -100% faction modifier. Is this intended or is it something temporary that got stuck?
That's what I get for trying the hard faction after some new builds...