Hmm, very odd. I get the same WaterMillGates.cfg error, so I don't think they're related.
- Log in on the browser BEFORE starting FeralHeart, sometimes it can be finicky.
- Make sure you're not using any browser proxies or a vpn, as they could potentially cause conflict.
- Try logging in on a different internet browser.
- If none of that fixes it, try turning your internet router off for about 10-15 mins then back on again.
I assume you might of already seen this, but just in case:
https://feral-heart.com/smf/index.php?topic=10423.msg144690#msg144690
I hope this helps!