Check below the web map for more options around 'navPlace' property detection. Clicking any shape on the map will show applicable information about the resource that shape represents.
It looks like you haven't provided a URI. If you are not using the IIIF Content State URL parameter, you can supply a URI here.
Only resolve the navPlace properties on my top level object and its direct children.
Limit navPlace Detection:
Don't resolve the referenced value string or object URIs. Only use the available embedded data.
Limit Resolved Resources: