json-ld error

[jrdh]

2024-01-25 05:12:10,155 ERROR [ckan.config.middleware.flask_app] 'json-ld'
Traceback (most recent call last):
  File "/usr/lib/ckan/default/lib/python3.8/site-packages/flask/app.py", line 1949, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/lib/ckan/default/lib/python3.8/site-packages/flask/app.py", line 1935, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/usr/lib/ckan/default/lib/python3.8/site-packages/ckanext/nhm/routes/object.py", line 109, in rdf
    return Response(result, mimetype=CONTENT_TYPES[_format])
KeyError: 'json-ld'
2024-01-25 05:12:10,167 INFO  [ckan.config.middleware.flask_app]  500 /object/92e12c4d-59c1-4fad-a09d-01ff19709a1c/1706054400000.json-ld render time 0.511 seconds