When copying actors from a level to another, landscape splines don't transfer over

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Summary

If you copy actors from a level, open another level inside the same project in UEFN, then paste, landscape splines (like roads or ocean) wont paste correctly or at all.

Steps to Reproduce

Make a landscape spline and assign a road piece
Make a new level (content browser > new level)
Copy everything from level A to B

Expected Result

Everything to paste correctly

Observed Result

Landscape Spline wont paste. Ocean spline wont work as intended either.

Platform(s)

PC