No token returned with grecaptcha.entreprise.execute() when non test key

Hello, I'm trying to use a non test key that I've already created in google recaptcha entreprise dashboard, when I call grecaptcha.entreprise.execute() with key that is non test key I've got a null token, however when I use a test key, I have the token normally.
What is the problem.

This is the repo I use to implement the google recaptcha entreprise: https://github.com/Seif-apprentus/Next-JS-Landing-Page-Starter-Template/blob/master/src/pages/login/index.tsx