So I got the same problem as Nyenna before
Export issues: "Image missing" and Transparency
Already tried her/his resolve but it didn't work with me.
Here is my setting
And here is my result (of glitching)
https://i.imgur.com/gveIOWS.gif
sorry for not-so-pretty sprite and the huge size. idk how to make it smaller in forum/image code.
I wonder aside from Nyenna suggestion, is there any other way to fix it?