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Humm!! first if the buffing is deep you will need to add some light body putty sand with hand in a movement of circle with 600 grit with water until surface is equal and smooth apply primer but use a piece of carboard with a hole 1 inches larger then you surface apply primer trhought this hole but dont let the carboard stands on the car let it stands 1/2 inch so the paiunt wont mark do the same thing with the top coat again to avoid fumes .
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Without looking at the problem, my best guess is that you cut all the way through the color coat, into the primer. If that is the case, nothing but a repaint will fix it.