Hello @JocelynUrvoy,
Are you using BSDF materials?. That was the problem for me.
You can read more about it here, for Point in time and ASE simulations:
https://discourse.ladybug.tools/t/bsdf-vs-vlt-values-from-window-7-6-in-honeybee-point-in-time-simulations/5560
Best
Arturo