Asset validation fails on a prop from the fortnite content browser, only happens after converting?

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Summary

I converted one of my old islands to UEFN today, but the vault door props are illegally refercing their own materials somehow? validation passed just fine on a project that I started in UEFN, but after converting a 1.0 project it keeps failing?

Steps to Reproduce

Go into regular creative mode, place down a vault from the ch2 s2 secret bases, convert the project to UEFN, can’t launch session because of the vault?

Expected Result

Being able to launch into a session

Observed Result

Asset validation fails because of the vault

Platform(s)

PC