How to get 2 different sketches on the same plane?

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1

Noob to shapr3d and still learning. I have 2 different sketches in a project. One of the sketches is above the origin and the other is below the origin. How can I move each back to the origin Z access?

I thought I could just move it and snap back to the origin, that does not work.

2

From the History tree, edit the sketch plane:

image

3

I selected both objects from the 2 different planes, Selected History, Clicked on One of the objects and selected Edit Plane and get No planes selected?

image