Ads not showing in new and unread tabs


From a pair of weeks ago I have the warning “demanda restringida” (“restricted demand”) in Adsense console for the pages:

I think Google can not enter these two pages because they are only accessible by logged users.

And if Google can not enter and parse the content, neither can fit the ads to the content (less income).
Moreover, it is possible that advertisers could choose not showing their ads in this kind of situations.

Is it possible to redirect new and unread pages to recent page for not logged users or whatever solutions that lets Google parse the forum when tries to parse these two pages?

Thanks a lot