Translate to 404

Hello
PROBLEM 1 : we i translate https://www.cadeaux-hightech.fr/categorie/meilleures-ventes/top-meilleures-ventes/ it redirect to 404

translatepress didnt keep the permalink “categorie” while its necessary for the SEO
How we can force to keep custom permalink ?

PROBLEM 2 : https://www.cadeaux-hightech.fr/en/
When we are in english and we click on the menu “bestseller” its redirect to the french.. While it dont stay in english??

I have the paid translatepress licence

The page I need help with: [log in to see the link]