Formatter cannot encode JSON because association is not loaded

[hauleth]

I get this error message, but I cannot deduce why it would even try to encode any model.

17:15:29.912 [error] GenEvent handler PhoenixApiDocs.Formatter installed in #PID<0.412.0> terminating
** (RuntimeError) cannot encode association :entries from Onemedical.Patient to JSON because the association was not loaded. Please make sure you have preloaded the association or remove it from the data to be en
coded
    (ecto) lib/ecto/poison.ex:8: Poison.Encoder.Ecto.Association.NotLoaded.encode/2
    (poison) lib/poison/encoder.ex:213: anonymous fn/4 in Poison.Encoder.Map.encode/3
    (poison) lib/poison/encoder.ex:214: Poison.Encoder.Map."-encode/3-lists^foldl/2-0-"/3
    (poison) lib/poison/encoder.ex:214: Poison.Encoder.Map.encode/3
    (poison) lib/poison/encoder.ex:213: anonymous fn/4 in Poison.Encoder.Map.encode/3
    (poison) lib/poison/encoder.ex:214: Poison.Encoder.Map."-encode/3-lists^foldl/2-0-"/3
    (poison) lib/poison/encoder.ex:214: Poison.Encoder.Map.encode/3
    (poison) lib/poison/encoder.ex:213: anonymous fn/4 in Poison.Encoder.Map.encode/3
    (poison) lib/poison/encoder.ex:214: Poison.Encoder.Map."-encode/3-lists^foldl/2-0-"/3
    (poison) lib/poison/encoder.ex:214: Poison.Encoder.Map.encode/3
    (poison) lib/poison.ex:41: Poison.encode!/2
    (phoenix_api_docs) lib/phoenix_api_docs/generator.ex:64: PhoenixApiDocs.Generator.request_map/2
    (phoenix_api_docs) lib/phoenix_api_docs/generator.ex:46: anonymous fn/3 in PhoenixApiDocs.Generator.requests/2
    (elixir) lib/enum.ex:1623: Enum."-reduce/3-lists^foldl/2-0-"/3
    (phoenix_api_docs) lib/phoenix_api_docs/generator.ex:26: PhoenixApiDocs.Generator.routes_docs/2
    (phoenix_api_docs) lib/phoenix_api_docs/generator.ex:12: PhoenixApiDocs.Generator.run/0
    (phoenix_api_docs) lib/phoenix_api_docs/formatter.ex:22: PhoenixApiDocs.Formatter.save_blueprint_file/0
    (phoenix_api_docs) lib/phoenix_api_docs/formatter.ex:9: PhoenixApiDocs.Formatter.handle_event/2
    (stdlib) gen_event.erl:533: :gen_event.server_update/4
    (stdlib) gen_event.erl:515: :gen_event.server_notify/4