Link Course/Cuisine and Skill Level doesn't work

Hello
here is a recipe online : https://www.vegactu.com/recettes/mousse-au-chocolat-vegetalienne-1684/
You can clic on the ingredients and see the recipes,
but when you clic on Cuisine (Végétalienne) or meal : Dessert, or skill level, you have a 404 error, why ?

Thanks for your help !

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