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Mocha Pro in After Effects – remove module issue (No active layers??)
Hi –
I’m having trouble trying to remove an object from a shot – using the remove module in Mocha Pro, in After Effects. I think I’m following the tutorials properly: 1. track the object to be removed, 2. track an object that moves in front of it, 3. track the background, 4. make a clean plate in photoshop, and 5. back to Mocha.
The object to be removed still appears where it was, and when I try to render a frame I get this alert:
“Unable to replace layer pixels: no active layers found behind the layer”
I signed an NDA so I can’t show the clip unfortunately. Does anyone out there have any experience with this?
Thanks in advance!
-Josh
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3 Replies
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I tried the same tutorial I think (man on street), and this is the response I got from Boris support:
It sounds like something might be wrong with the background layer – It could be that it’s not tracked at a nearby frame, that not stacked behind the foreground layer (being removed), or maybe not marked for processing (with the cog icon). Can you quickly double-check all these things. If none of these help, can you relay me your AE project and, ideally, the clip being referenced (that you are removing from the cleanplate)?
I manage to remove what I can with a lot of messing around but no where as easy as that tutorial shows 😛
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Thanks Eric! Seems that the original background track was the issue – the area getting tracked was not underneath the object being removed. I think that’s what it meant by “no active layers”?
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I would need to try that tutorial again.
I have a few projects that require it.
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