Further semi-bug during the Synod: the Accept/Reject Succubi section in the calculator lets you pick what choice the High Priestesses make. However, in-game, several of them don't give you a direct choice. I believe Nabith, Bertricia, and Kerannii change their votes to Accept if you've met certain requirements and speak with them, but Reject the succubi instead if you don't talk to them before the vote. With a different set of requirements, Bertricia will let you pick her vote the first time you speak to her, but won't let you change her mind afterward.
This might be a low priority fix, since it's just changing the Accept/Reject dropdown to a "Spoke to" checkbox, and in the current build optimizers are going to want to Accept succubi anyway, but it slightly misrepresents the game. I could imagine a circumstance where a player intends for the church to Diverge or the succubi to form New Religion, but talks to a couple of the priestesses and accidentally locks themselves into the accepted/suppressed split instead.