https://www.dropbox.com/s/6lb1e0hynbiylff/20190616_174840.mp4?dl=0
this should show one iteration of the bug I spoke of, in this case also making firefly unobtainable.
This bug is fixed on the last version on the game available here : http://www.mediafire.com/file/uvp2j226773aopn/Memento.rar/fil