Hello all I’ve created a dynamic blog post page

Hello all
I’ve created a dynamic blog post page using Webstudio and integrated it with WordPress as the CMS source (following this guide: https://docs.webstudio.is/university/integrations/wordpress). Everything appears to be working in the backend — the post data shows correctly in preview mode, bindings are accurate, and the CMS endpoint is connected.

However, after publishing, when I try to visit the frontend link of a post (example:
https://instruware-xx8ir.wstd.io/blog/all-you-need-to-know-about-smartlead-for-cold-email), I get a 404