Separate Render Channel - saved files are wrong

V-Ray V-Ray GPU Issues
1

V-Ray GPU, NVIDIA Denoiser is ON with upscaler.
Latest V-Ray version.

Working with V-Ray became really annoying. Just saving file - is this really that hard task?

MultiMatte Element

V-Ray Frame Buffer

image.png
image.png612×613 25.2 KB
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Saved file - on ther right is white part for some reason:

image.png
image.png636×634 23.3 KB
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image.png
image.png828×832 37.8 KB

image.jpg
image.jpg1237×1240 35.6 KB

2

Could you attach (or send) the scene so we can take a look?

EDIT: Also, what kind of image format are you outputting to? If you’re saving .jpgs, does it happen with .pngs?