Wild guess: turn of the Transparancy grid in the Program Monitor (wrench).
The background is in fact a void and shows as black. Transparancy Grid is a new feature. Instead of black its a grid just like in AE.
It does not show in your final export.
Wild guess: turn of the Transparancy grid in the Program Monitor (wrench).
The background is in fact a void and shows as black. Transparancy Grid is a new feature. Instead of black its a grid just like in AE.
It does not show in your final export.