Page not found (404)

Request Method: GET
Request URL: http://ttnr.qprf.de/apis/entities/entity/person/4/detail?PeL-sort=isoCode_639_3
Raised by: apis_core.apis_entities.detail_views.GenericEntitiesDetailView

No Person matches the given query.

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.