BUILD_NOT_CANCELLABLE

Meaning

This build has already finished.

What to do

Read the build log and the guide on fixing a failed build.

Keep the request_id field of the response: it lets support find the incident.

Example response

{
  "code": "BUILD_NOT_CANCELLABLE",
  "message": "This build has already finished.",
  "docs_url": "/errors/BUILD_NOT_CANCELLABLE",
  "request_id": "01a0d2…"
}