Props/ terrain disappear when selected, or naturally (but that's rarer)

Summary

When selecting, or just own it’s own, props and terrain will dissipate and be removed from the selection count like they were deleted. They can reload in, either on it’s own or by starting a new session.

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

Just select more stuff, really!

Expected Result

Items should be selected normally and not be taken off the count.

Observed Result

Items will disappear.

Platform(s)

PC

Video