Have you tried to render, calculate one view, then use IR?
I suppose the matter is in the scene, or in the crooked material, the object, plus the plug-in, since on the basis of the first scene I make the second option, while this problem does not exist. And I have great suspicions, but the Phoenix FD effect. Since in the second embodiment one of its objects instead of 4
I often use Xref in projects, this was not, I doubt it.
Well, I understand, while everything is very vague in reducing the problem, if it appears again and it becomes clear exactly what exactly, I will write.