We only solved the filtering problem, the product is still not showing in a category
This product
https://www.kolesa-newbike.si/mestna-kolesa/zenska-kolesa/elektricno-kolo-puch-saphir-3/
Has 2 categories selected
CITY BIKE (mestna kolesa) > ELECTRIC BIKES > WOMEN ELECTRIC BIKE (zenska elektricna kolesa)
https://i.imgur.com/Lo5qWpF.png
and
CITY BIKE (mestna kolesa) > WOMAN BIKES (zenska kolesa)
https://i.imgur.com/VAdbubH.png
however product is only shown in 1 category
https://www.kolesa-newbike.si/mestna-kolesa/elektricna-kolesa/zenska-elektricna-kolesa/
and not in the other
https://www.kolesa-newbike.si/mestna-kolesa/zenska-kolesa/