User blog comment:ArcherDani4/For The OC Week - Danielle Sylvian/@comment-36015352-20190407202751/@comment-38063950-20190409201359

I had the same problem, but I found that if you put the colour layers below the lineart layer it should work.

I do use inks if I am colouring traditionally. But if I want to digitize it, then I draw the lineart in pencil, trace over the drawing in the app and fill in the colours then add shading.