Wrong LOD order after import from Blender

Hi There,
Any of you know why sometimes meshes are imported in wrong LOD order into Unreal using the pipeline Blender4.x → Unrea5.x ?

As in screenshots below: LOD3 becomes LOD2 and vice versa upon import.

The structure in blender:

The result in unreal:

The occurrences of this problem seems random (statistically ~ 1 in 30).
The only fix we found is to copy the geometry into a new file and reimport from the new file, which is not the most convenient.