Pinpoint Pro 2.2.7 There are no services available for the period you selected

Hello,
I’m trying to use pinpoint pro 2.2.7 for sell services inline with wordpress 4.9.8.
When a calendar is added to a woocommerce product, page or article, the reservation is impossible : " There are no services available for the period you selected"
You can see this at https://www.nature-bien-etre.fr/boutique/services/bilan-personnalise-en-naturopathie-100-en-ligne/

Thanks,

Katie