KHR_lights_punctual lights missing lights BUG

[easyfrog]

version: FBX2gltf window 0.9.7

MISSING LIGHTS BUG

There are six lights in my 3dsmax scene.

When I use babylon exporter, the lights is exported properly. all six lights exported.

When I export FBX file and use FBX2gltf plugin to convert. There is only two lights remained. The first and latest, the middle lights are all missing.