Issue with SetRotation() Function in Test Project

[Andy90]

The SetRotation() function appears to be malfunctioning, specifically with respect to Yaw and Roll, as both exhibit the same behavior. The issue is reproducible in the provided test project.

https://1drv.ms/u/s!Aum5gwXzTrOyvz-rIJLpnkP0df9H?e=QhlFHn

also within the editor it has the same effect

https://streamable.com/36r9fr and second video https://streamable.com/k0yz0t

[Josh]

You are experiencing something called Gimbal lock:

https://en.wikipedia.org/wiki/Gimbal_lock

The solution is to rotate the mesh in your modeling program so it's not pointing near +/- 90 degrees.