I read many of you complaining about not being able to complete the 65 (Gratitude) achievement, this is not a bug, but an unconscious "choice" that the game currently features.
I'll explain better.
Bani's main quest related to making pills for resale (achievements 107 and 108) is much later in the game than Bani's problem with the medical professor (achievemnt 65), so if you complete the pill part first (which involves in the end that Bani quarrels with you, and that at the moment she is frozen at that ending) (I said at the moment, obviously in the future she will be resumed) then you can't carry on the achi 65, because Bani will tell you that she doesn't want to talk to you .
You may be able to complete the achi in the future, but right now, if you haven't been following the achi timeline, you will have it incomplete for a while.
P.S. I can assure you that since we made the switch to Renpy to date, there are no bugs in the game (I can confidently confirm this until release 0.44, the newly released 0.45 is in the running phase) Sometimes, if you fail to complete a achievement is simply because you are missing a step of talking to someone or doing something specifically. Consult the walkthrough or if you want write on my patreon and by sending me the save files I am always happy to check if there is any problem for you, and help you overcome the obstacle
Cheers
Deva