Old content shows up on url

I have a super old webpage that keeps loading up on my website instead of the current page.

It should be https://www.getactivenplay.com/sportswalls1/

But I get this instead, the https://www.getactivenplay.com/sportswalls/

I’ve deleted any old copies of any sportswall pages, Ive renamed it a bunch of times and nothing works. How can I remove the old stuff and have the new stuff pop up.

This only happens for the sportswalls url

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