I've started to relight the 2_07_080, since there has been changes in the layout. Anyway, when rendering I keep getting weird black areas in the image that should not appear. I just don know whats causing them. The black areas are very easy to spot on the furnace (on the right), and on big parts of the background. Any ideas? I've tried to remove the volumetric, shadows and reflections but they wont go away
final render:
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shaded:
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