hcaptcha on joomla 5 : Le CAPTCHA est incorrect Champ invalide: Captcha

Hi,

I integrate with no problem hcaptcha for joomla with a good key for actiaweb.com
here you can test
https://www.actiaweb.com/activ/contact-pour-creer-un-site-internet.html

And the response is : The CAPTCHA is incorrect Invalid field: Captcha

Thanks

jm