Playground blueprint can‘t load blueprint #743

Describe the bug

When clicking the Wordpress playground badge, the blueprint can’t be loaded.

Probably related to #719

Steps to Reproduce

1. Go to the Playground
2. See the error :)

Screenshots, screen recording, code snippet

Environment information

n/a

Please confirm that you have searched existing issues in this repository.

No

Please confirm that you have tested with all plugins deactivated except Two-Factor.

No