Opacity Map causing troubles on scattered object on Production Mode but not on Interactive Mode

[alfred_peci]

Why does this happens?
I tried also to put the opacity map in the Refraction map (texture inverted and IOR set at 1) but same result. However if i render the single object (the original, let's say) this issue does not occur. I also tried to disable the opacity map and didn't gave no white result so it must be something with the opacity map.

[natalia.gruzdova]

Hello alfred_peci,

Could you please share your scene (or this part of the scene with Fur) so we could take a look? If this is alright, please submit a request form and upload the archived scene in the ticket. Make sure to archive it with the Pack Project tool (V-Ray>Pack Project tool).
Also let us know your V-Ray version - please share a screenshot of V-Ray>Help>About window (example).