Correct
UE427plus crash when going twice in VR, function xrCreateSession Fail in OpenXRHMD.cpp (so calling OpenXR core dll surely).
Oculus app is 59.00.138.366
Tested same code with VIVE headset, OpenXR and SteamVR (2.0.10) and no crash.
Oculus OpenXR runtime seem to be the problem.