UEFN freezes when adding a new prop

Summary

UEFN freezes when adding a new prop, making impossible to work properly. It is a nightmare create a scenary

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

Just duplicate / add a new prop

Expected Result

UEFN does not freeze

Observed Result

UEFN freezes

Platform(s)

windows

Island Code

Not yet

Video

Any help with this please? @Flak