Fatal error with recaptcha

Hello,

I got the following error once I included the recaptcha feature to my new form. (https://www.motorjourney.net/planilla-de-informacion-al-cliente/)

Fatal error: Class ‘ReCaptchaResponse’ not found in /home/motorjou/public_html/wp-content/plugins/fs-real-estate-plugin/includes/recaptchalib.php on line 188

Any ideas?

Please let me know…thank you!!!! very much appreciated. I have used it before and it worked on my other site (https://miamipropertiesnet.com/dream-home-finder/) it does not work now either.

I really need this to be working soon! I am getting swamped with undesired emails!!!

Thank you again!!!

Jorge

https://www.ads-software.com/plugins/fs-real-estate-plugin/