Please Help Me

SO i had a blog/games category page made with Elementor, But i Deleted the elementor design to Create it using default theme (Blog page)for all games/blogs, everything worked fine, but as soon as i click on Pagination page 2, 3,4 or any, it sends me back to home page rather than second page for blog.
here is The Link to what is Happening screen-recorded it – [Redgif](https://www.redgifs.com/watch/untidygrotesquegrayreefshark)

What is Wrong with WordPress ? Please help as website is Live and i need to fix it asap

 

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