Time Warp causes validation errors while day sequence device needs it to work

[Max.Chen]

The fix for this will come out in 37.10. Here’s another post about it:

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Summary The TimeWarp feature in Sequencer cannot be used in UEFN. When I try to play using TimeWarp, I get the error “Disallowed reference to MovieScene.MovieSceneTimeWarpDecoration.” Is this a feature that is only available in UE5? Please select what you are reporting on: Unreal Editor for Fortnite What Type of Bug are you experiencing? Other Steps to Reproduce Please set up a sequencer to animate a skeletal mesh, apply TimeWarp to adjust its playback speed, and then play the map in Fortnite…