When a country asked does not exists, the error does not appear until the `build_map` tool is called, and it should happen way before <img width="749" height="543" alt="Image" src="https://github.com/user-attachments/assets/011f0968-ae5c-4bfe-b577-43c6ea2ca965" />
When a country asked does not exists, the error does not appear until the
build_maptool is called, and it should happen way before