Looks like there are a lot of problems with saving. I created 2 new animations, saved them (pressed Save Button about 20 times, tried making changes there and saving again) - but tehre was only 1 of those animations saved after reloading the character
And this one also was saved somehow strange: It was like this when I created it
; Step Effect 2
[Begin Action 9231]
9231,0, 0,0, 2, , A
9231,1, 0,0, 2, , A
9231,2, 0,0, 2, , A
And after loading:
[Begin Action 9231]
9231,0, 0,0, 2, , A
; Step Effect 2
9231,2, 0,0, 2, , A
Also, I found lost animation in air file. It looked like this:
; Step Effect 1
9230,0, 0,0, 2, , A
9230,1, 0,0, 2, , A
9230,2, 0,0, 2, , A
As you can see, it misses header [Begin Action 9230]
PS. Don't know why, but offset viewer don't show sprites. Maybe cause it's SFFv2?