arangodb/Doxygen/Examples.AvocadoDB/rest_create-document-unknown-cid

> curl -X POST --dump - http://localhost:8529/document?collection=123456

HTTP/1.1 404 Not Found
content-type: application/json; charset=utf-8

{
  "errorMessage": "collection /collection/123456 not found",
  "errorNum": 1201,
  "code": 404,
  "error": true
}