How do I undo a "merge layer" action?

Drawzee 1 year ago in Android updated 1 year ago 0

So I've been working on an animation for about a week and now I've just accidentally merged the colour layer with my lineart layer, with the colour layer on top. It's just showing colour now and I've lost all my lines! I've been searching round trying to find out whether anyone else has had this problem, but can't find a solution. Please, please, PLEASE tell me if there's a way to undo this action? I don't want to have to start over again..