Pages /https://site.ru/ come across in Google analytics, maybe this is an error signal?

Question

Google Analytics

Why in Google analytics in the section active pages appear in addition to simple pages pages /category/index.htmlcome across /https://site.ru/category/index.html
I think this may be the cause of some kind of error. Maybe met someone? What can be wrong?
ps In google analytics, own domain is not shown in reports

Answer 1

Use an additional parameter to see which host these pages have. I guess everything will be clear.

Answer 2

can be anything
from spam to poorly configured analytics code