Changing built-in settings on "Transit MobileTrailer" props causes validation errors

Summary

When changing the built-in options (under the drop-down category “Mobile Trailer”, such as “Exterior Design”) on the props “Transit Mobile Trailer A”, “Transit Mobile Trailer B”, and “Transit Mobile Trailer Alt B”, you get validation errors when attempting to save, check-in changes, or launch a session.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

  1. Place down any of the “Transit Mobile Trailer” assets in UEFN
  2. Change any of the options under the “Mobile Trailer” dropdown with the prop selected (Exterior Color, Tint Color, Interior Material)
  3. Attempt to save the project, check-in changes, or launch a session

Expected Result

It should validate with no problems

Observed Result

It produces validation errors, shown in the included screenshots

Platform(s)

PC

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Additional Notes

You may want to also enable using custom texture data on the Primary and Secondary options, because as of right now, we have no way of self-customizing them.

FORT-1099133 has been created and its status is ‘Unconfirmed’. This is now in a queue to be reproduced and confirmed.