A 410 Gone means the Marketing91 page was deliberately removed; a 404 means it...

https://wiki-site.win/index.php/Manual_CPC_vs._Smart_Bidding_for_Low-Volume_Accounts

A 410 Gone means the Marketing91 page was deliberately removed; a 404 means it wasn’t found. Learn what to do next, how to find useful alternatives, and what to check when vetting a Google Ads specialist.