Conflict (409)

https://rowstile.dev/problems/conflict is the type of the problem body (RFC 9457) the SDKs answer with when the database turns down a change because of where things are now: a move that would put a folder inside one of its own subfolders. The same move may work once the tree is different, so it is a conflict, not a malformed request.

{
  "type": "https://rowstile.dev/problems/conflict",
  "title": "Conflict",
  "status": 409,
  "detail": "folder 1 cannot be moved inside itself",
  "code": "AZ713"
}

• detail: the database's words, which name the object.
• code: AZ713, moved inside itself.

Where it comes from: rowstile.fastapi (FastAPI), route() and action() in @rowstile/next (Next.js) and problemOf(e) for any other framework (Node).