No problems with unique id in the msfs2020 exporter but with the 2024 exporter:
GLTFValidator | Found in C:\MSFS 2024 SDK***_Interior_LOD00.gltf - nodes[62] and nodes[249]=(‘thigh_l’) share the same ‘thigh_l’ unique_id
about 170 errors even with unique id disabled in the exporter. Thanks