URLs don't work when refreshing

[dapper blaze]

Hi! My problem is that when I refresh the page inside the app, I get a 404.
While I was doing the project locally, there was no such problem, as soon as I uploaded the project to Railway, this problem appeared.
So when i refresh on home page, it's working properly, but when i go inside app (like /about) and refresh page, i get 404 page

[scenic solstice]

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