PRECONDITION_REQUIRED
The update sent no If-Match header.
| HTTP status | 428 |
| Error class | PreconditionRequiredError in TypeScript and Python, *caitlyn.PreconditionRequiredError in Go, Error::PreconditionRequired in Rust |
| Retried by the SDKs | No |
What to do
Section titled “What to do”Read the resource, then send its ETag with the update (TypeScript { ifMatch }, Python if_match=, Go caitlyn.WithIfMatch, Rust .if_match(…)).
The error body
Section titled “The error body”Every error is an RFC 9457 problem details object with code set to PRECONDITION_REQUIRED and type set to this page's address. requestId identifies the request; quote it to Caitlyn support. Errors lists every field.
Operations that document this error: UpdateDraftVersion. Any operation can return it, though: the SDKs choose the class by HTTP status.