Contact Form on a website based on "Web Presence Builder" or "Parallels Presence Builder" shows a message:
V1 UNSUPPORTED Please direct siteowner to g.co/recaptcha/upgrade
Or the form cannot be sent since the captcha image is missing at all:
The text you entered does not match the text displayed in the image.
The issue is on Google side. Detailed information about the reCAPTCHA service supported can be found in Google article What happens to reCAPTCHA v1?.
Any calls to v1 API do not work since March 31st, 2018.
Feature request #PFR-1365 has been submitted in order to upgrade reCAPTCHA service for Web Presence Builder application.
Contact your Technical Account Manager or Pooled Technical Associate Team (email@example.com) in order to trace the current status of #PFR-1365.
As a workaround, function
Enable the protection from automated spam postings can be disabled. After that, you will be able to use the contact form.