No result pagespeed insingts

I was using the Greenshift Clean Canva Page.
I switched to the default template and after the google insight test, I have this error that remains.

Largest Contentful Paint
Error!
The page did not contain any content considered to be Largest Contentful Paint (LCP). Make sure the page contains a valid LCP element, then try again. (NO_LCP)

https://i.postimg.cc/wTkmrYCz/screencapture-pagespeed-web-dev-analysis-https-sitevitrine79-fr-jfv8dj69sl-2023-10-23-12-42-55.png

I use your plugin whith Rehub

Unfortunately, I can’t test sites by screenshots, please send link on page speed test

I don’t use your plugin anymore.

I want to mention that we provided guaranteed payment of 333$ for everyone who can build complex site on any other page builder and it will have better web vitals score than in Greenshift

So if you use other page builder, you can get money. Good luck

https://www.facebook.com/groups/greenshiftwp/posts/970723777700228/