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General·HTTP 404·API, CLI, FE

Image tag not found

tag_not_found

The repository exists, but it has no image with that tag.

What this means​

The tag is misspelled, was never pushed, or was removed from the registry.

How to fix it​

Pick one of the tags the answer suggests, or check the tag's spelling.

Retry behavior​

Sending the same request again gets the same answer until the tag is pushed.

How it appears in the response​

ComputeSphere returns errors as RFC 7807 Problem Details. The type field is the docs URL for this page — switch on code in your client.

{
  "type":    "https://docs.computesphere.com/errors/tag_not_found",
  "title":   "Image tag not found",
  "status":  404,
  "code":    "tag_not_found",
  "detail":  "The repository exists, but it has no image with that tag.",
  "instance": "/v2/…",
  "request_id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
  "trace_id":   null
}

The Content-Type header is application/problem+json. On field-level validation errors a non-empty errors[] array also appears, each entry carrying its own docs_url for the offending field.