Google Rich results test

[kurulumu.Net]

I put a URL from the community into the gogole rich results test. Here are the results:

Rich Results Test - Google Search Console

(search.google.com)

I don't know what effect rich results testing has on SEO. Is this very important?

A link test on the Discourse forum:
https://search.google.com/test/rich-results/result?id=GQbxVgeRLLYV9_OCm-kxZQ&hl=EN

A link test on the Flarum Forum:
https://search.google.com/test/rich-results/result?id=_QcYMk2HL7cDmgidZYp93w&hl=EN