It’s difficult to see what the issue is. You seem to have set CC Sphere’s Render prop to Outside which looks to be the right thing to do. I am however curious of the Track Matte you’ve set up and wonder if that is causing the issue.
I suggest you commit to the same setup, one step at a time, to see at which step the composite goes awry. This should allow you to find the problem step and then to troubleshoot the issue.
Cheers
RoRK
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