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Object Storage Service:0026-00000001

Last Updated:Mar 20, 2026

Problem description

The object you want to access does not exist. This error is returned regardless of the operation type. The following operations can trigger it:

Error codeTriggering operations
NoSuchKeyGetObject, CopyObject, HeadObject, and any other operation that references an object by name
NoSuchVersionAny operation that specifies a VersionID that does not exist

Causes

One of the following conditions caused the object to be unavailable:

  • The object was never successfully uploaded.

  • A lifecycle rule deleted the object.

  • An authorized user deleted the object through the OSS console, an OSS client, or an API operation.

  • Cross-region replication (CRR) synchronized a delete operation: a delete performed on an object with the same name in the source or destination bucket propagated to this bucket.

  • The VersionID specified in the request does not match any existing version of the object.

Examples

The following CopyObject request returns this error if abc.txt does not exist in examplebucket:

PUT /xyz.txt HTTP/1.1
Host: destbucketname.oss-cn-hangzhou.aliyuncs.com
Date: GMT Date
Authorization: SignatureValue
x-oss-copy-source: /examplebucket/abc.txt

Solutions

Work through the causes below until you find the one that matches your situation.

Cause 1: The object was never successfully uploaded

Uploads can fail silently if a request is interrupted or an error is not handled.

Fix: Confirm the object exists by calling HeadObject. If HeadObject returns HTTP 404, the upload did not complete. Before re-uploading, make sure the object name meets the following requirements:

  • Length: 1–1,023 characters

  • Encoding: UTF-8

  • Must not start with a forward slash (/) or a backslash (\)

Cause 2: A lifecycle rule deleted the object

OSS automatically deletes objects that match an expiration rule.

Fix: Check the lifecycle rules configured for the bucket. For details, see Lifecycle rules based on the last modified time. If a rule deleted the object, adjust the rule or re-upload the object.

Cause 3: An authorized user deleted the object

Another user with the required permissions may have deleted the object through the OSS console, an OSS client, or an API operation.

Fix: Review access logs or coordinate with other users to determine whether the object was deleted intentionally. Re-upload the object if needed.

Cause 4: CRR propagated a delete operation

If CRR is configured for the bucket, a delete operation on an object with the same name in the source or destination bucket is synchronized and deletes the object in the other bucket.

Fix: Check the CRR rules configured for the bucket. For details, see CRR. If CRR caused the deletion, re-upload the object or adjust the CRR configuration.

Cause 5: The version ID does not exist

If versioning is enabled for the bucket and your request specifies a VersionID, this error is returned when no version matches that ID.

Fix: Call ListObjectVersions or GetBucketVersions to retrieve all version IDs for the object, then retry the request with a valid version ID.

References