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1) select the editorial you want to place into the flat plan from the "Editorials" list
2) There are two possibilities to place it in the flat plan:
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Select the green format showing up on the left side of the screen and drag it into the desired page (remember that if you have not selected an editorial from the list and you try to drag the green format, nothing happens!).
Otherwise you can:
1) Select the editorial from editorials list
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OR
drag the selected editorial directly into the flat plan (without dragging the green format)
Here below you see the editorial placed in the flat plan:
