Issues deploying pages website to a custom domain

For Workes & Pages, what is the name of the domain?

gapple.host

What is the issue or error you’re encountering

That domain is already associated with an existing project. Use a different domain or find the project already using this domain and remove it.

What steps have you taken to resolve the issue?

None.

What are the steps to reproduce the issue?

  1. Attempted to make a pages next.js deployment to the website