5.4.4 here, yes the SetLeaderPoseComponent() still causes the crash, with the exact error message. For me changing the directx target to directx 11 also works, but of course not ideal.
I´ve marked this as a solution, as it has fixed the issue for me, at least for new levels created with the blueprint.
We don´t use the source, so I can´t confirm the steps to fix broken maps, but I´m now able to use raytracing with “lead pose” components in a blueprint!
Thanks again, that took forever to figure out!
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