SERP : wrong meta description homepage

Hello there, i see a new problem on many of my website.
Now Google display many pages of one website when we type the request.

For example :

BUT the “Nature et Partage, c’est aussi Mamie Malice,…” is not the meta description of the page ! it’s like google take a random string on the page, that have no sense. There is the good meta description :

You can see the issue by typing “Nature et Partage” on the Google Search bar.

regards

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