System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.60
Blender Version
Broken: version: 2.81 (sub 16), branch: master, commit date: 2019-10-27 13:40, hash: rB9b6aa740be31
Worked: (optional)
Short description of error
[Please fill out a short description of the error here]
Not sure it's bug, or functional defects.
Exact steps for others to reproduce the error
Download my file, than click View/ Viewport render image.
screenshots:
.blend file: