Without seeing your project file, this might be hard to figure out.
Does anything in your precomp show up in the main comp? I mean, try adding just a solid layer or something.
Your cameras are identical in both comps and the timing of the two are lined up correctly, yes?
- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')
No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.
It actually was my fault. Turns out the Element 3D layer had turned into a guide layer for some reasons (I'm not familiar with guide layers in AE, I though a guide layer was a normal layer, just with guides - I didn't know it wasn't going to render on final output).