When I have a book in staging without any flavour, it is impossible to move it production. CMS complains that flavours do not match: https://cms.openzim.org/book/3f55f47b-afd4-b841-ef31-71a3f8edd0c8 <img width="485" height="78" alt="Image" src="https://github.com/user-attachments/assets/03e1632f-9926-49f6-a963-73e1c03b1501" />
When I have a book in staging without any flavour, it is impossible to move it production. CMS complains that flavours do not match:
https://cms.openzim.org/book/3f55f47b-afd4-b841-ef31-71a3f8edd0c8