When Cloud integrated with Ezoic, we need to make sure that Ezoic has the correct configuration set up so that you can continue serving the site securely on both your original setup and the Ezoic version.
Please go through this Support article - https://support.ezoic.com/kb/article/using-ssl-with-ezoic to ensure that your SSL settings within Ezoic are configured properly. If you are still experiencing the error once you have gone through the article and ensured your SSL settings are correct, please feel free to reach out to our Support team for further assistance.