Level sequencer ensure condition failed when play reverse, why?

[rit]

I’m in UE5.4.3

While I was playing level sequencer and reverse playing it again, I encountered an ensure condition fail:

[File:D:\build\++UE5\Sync\Engine\Source\Runtime\MovieScene\Private\MovieSceneSequencePlayer.cpp] [Line: 1172]
LogOutputDevice: Error: Ensure condition failed: PositionRelativeToStart >= DurationWithSubFrames

From the C++ code, it seems to suggest the start play position CANNOT exceed or equal to the sequencer’s duration.
It make sense when playing reverse, start position cannot exceed the sequencer’s duration - but why can’t it be equal?
In this case, how does one play reverse without failing this ensure condition?

[Max.Chen]

Here’s a related post:

Level Sequence played in reverse will crash built game, or cause assert in editor

Thank you for replying. We appear to be using 5.4.2. I was never able to fix this issue and resorted to creating a new Level Sequence Actor for each Sequence I wanted to play, then cleaning up all the Level Sequence Actors whenever the menu screen changes to prevent the build-up of loose actors. It’s horrible, but it works.

It’s a bug that’s been fixed and will come out with the next 5.4.4 hotfix release.

[rit]

Thank you for linking the post!