HTTP 404 in teach-class when creating a new caption-this repo

Here is the output:

```
Running script/create-initial-repo
What would you like to name the repo? flutterint
Checking if that repo name is available... [https://github.com/ps-developers-sandbox/flutterint]
Repo name is available!
Creating repository: flutterint... Done.
Inviting wulfland as a collaborator to flutterint... Done.
What are the class dates? (e.g. May 4 – 7, 2021)
July 28 - 29, 2022
Who is teaching? (Without the @)
wulfland
Updating contents of README.md... Done.
Updating contents of _config.yml... Done.
Branch protection rules updated.
Creating issue: Add collaborators to this repo... Done.
Creating project: Caption Contest...
http: warning: HTTP 410 Gone

Done.
Creating project column: To do...
http: warning: HTTP 404 Not Found

Done.
Creating project column: In progress...
http: warning: HTTP 404 Not Found

Done.
Creating project column: Done...
http: warning: HTTP 404 Not Found

Done.
Creating project card: ...
http: warning: HTTP 404 Not Found

GitHub Pages enabled.
```
Project creation does not work.