I found after again disable extensions.
is wBounce prvoquait that the bug.
Hello,
Thank you for your response weblizar_support.
it is on this page that I have problem http://admin-gestion-formation.fr/formules/
You demandeez me to check bootstrap.js and jQuery files, if properly enqueue or not.
But I know nothing but html and css.
Thank you again for your help.
Hello,
After new update WooCommerce, I have no problem.
Thank you
