"Page data from page-data.json for the failed page /" while building static HTML on Gatsby Cloud deploy

[mys31f]

Preliminary Checks

• This issue is not a duplicate. Before opening a new issue, please search existing issues: https://github.com/gatsbyjs/gatsby/issues
• This issue is not a question, feature request, RFC, or anything other than a bug report directly related to Gatsby. Please post those things in GitHub Discussions: https://github.com/gatsbyjs/gatsby/discussions

Description

I have a website that I've been trying to deploy to Gatsby Cloud and have always been getting this problem:

Reproduction Link

https://github.com/mys31f/class-site

Steps to Reproduce

1. Link a fork of this repo to a Gatsby Cloud site.
2. Let the site build automatically.

Expected Result

The site builds normally.

Actual Result

Site fails to build and ends at the error.

Environment

I'm using Gatsby Cloud so, I'm not really sure.

Config Flags

No response

[HelpMe-Pls]

I'm having the same issue for my rebuild of the deploy. My previous builds were fine, so I don't really know what's going there. The error message is pretty vague as well:

Have you found the solution for this ?

[mys31f]

For this site, not yet. I had to make another site since I didn't want to bother with taking time to fix something that might take forever to solve.

thử mãi gần 1 tuần ko đc haiz

[HelpMe-Pls]

Lmao ikr ( ˘︹˘ )
Give up and move on thôi ông 🤷‍♂️