No items imported from Rss

hello

items dont imported from Rss

The rss https://onlinediario.com/feed/endpoint.php

I readed theses instructions but I dont know what I do !!!!

https://kb.wprssaggregator.com/category/80-feed-items-or-posts-not-importing

We can have you access to wp for setup for me ???

Please help meee !!!!

The page I need help with: [log in to see the link]