Static first page

I have this error:
Discovered static first page, and activate static for SEO and again I have error on facebook.

How to fix this error?

More Than One OG URL Specified
Object at URL ‘https://www.kristijanristic.com/’ of type ‘article’ is invalid because it specifies multiple ‘og:url’ values: https://www.kristijanristic.com/, https://www.kristijanristic.com/.