Gatsby v5 not working when deployed to vercel but works locally

Gatsby v5 not working when deployed to vercel but works locally

I have tried it but it is not working. I can see my site can be accessed at gatsby-test path instead of root path. How do I remove the gatsby-test path and allow it to be accessed from root.

Gatsby v5 not working when deployed to vercel but works locally

After deploying existing gatsby v5 to vercel it fails to load any site resourses. I only see 404 pages. Gatsby build v5 locally works fine. Currently all network request to site...