IBM BigFix Could not verify the authenticity of the site content

Content Authoring
1

I have a computer which it bigfix logs state FAILED to Synchronize - IBM BigFix Could not verify the authenticity of the site content. - class NoAuthorizedSignature (Class X509VerifyError<20>).

Why I am encountering this message and how can I overcome it?

2

I believe this is a site issue, from the console press gather on the external site that you issues the action from and allow it to pick up the new site version.