EXZELENSanswered grow question 4 years ago It looks to me that it might be a calcium deficiency.
Or maybe something related to stress as I saw that you transplanted her. Autos are very sensible and the best thing is to grow them directly into their final pots unless you´re working with something that you can put directly into the final pot, such as jiffy pellets and jiffy pots.
Hope I´ve helped, peace ✌️