Cant report duplicate page

When Im trying to report using intended function near "created by" in lower left corner, I get "Item not found" after filling in URL of duplicate page.

Pages in question -
www.listal.com/veruska-ramirez
www.listal.com/veruzhka-ramirez

This is the same person.

got the same problem, both are the same woman, with birth name one, artistic name the other:

www.listal.com/haf-gibson
www.listal.com/seren-gibson