This is what they told me,
Navigating to: https://chanomi.tempurl.host/product-category/thes-parfumes/
makes the filters vanish: https://d.pr/i/4BMyGUI am afraid we cannot do much since we cannot check the widget settings for you. Does your theme maybe have widget visibility settings? I can see that there is really no output: https://d.pr/i/wSoimF
The layered navigation is not loaded to begin with.
Does the theme have widget visibility settings?