[Wasabi] Backup Copy Error: REST API error: 'S3 error: The specified version does not exist. Code: NoSuchVersion'

[Bkell]

Hello,
since a few weeks, the Backup Copy Job always fails for a specific VM with following error message:

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Failed to preprocess target Error: REST API error: 'S3 error: The specified version does not exist.
Code: NoSuchVersion', error code: 404
Other: Key: 'Veeam/Backup/Repository/Clients/{...}/.../Metadata/Checkpoint/851', VersionId: '<version-id>', HostId: '<host-id>', CMReferenceId: '<cm-reference-id>'
Agent failed to process method {Cloud.DeleteCheckpointsNoSession}.

The Backup Copy Job copies VM backup restore points to S3 Storage from Wasabi.

When the error appeared first, the error message was a bit different:

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Failed to preprocess target Error: REST API error: 'Not Found', error code: 404 Agent failed to process method {Cloud.EnumOutdatedCheckpoints}. 
Failed to process Error: REST API error: 'Not Found', error code: 404 Agent failed to process method {Cloud.EnumOutdatedCheckpoints}.

It is not possible to delete the existing backup restore points for this VM now as all files are set immutable by Veeam B&R. I would have to wait over 6 months.
The backup job for the VM to Stage 1 is working properly and without problems.
The problem exists only for the backup copy (from Stage 1) to Stage 2.
All other VMs do not experience any problem.

Did anyone experience the same issue too and was able to resolve it?

I opened a ticket on Wasabi in parallel but no result yet.

[Andreas Neufert]

What is the Veeam ticket number, please?

[Bkell]

Hello all,
the issue could be resolved.
There was an error on Wasabi side. They messed up their catalog.
The Wasabi Support team had to execute some repair and cleanup tasks to fix this issue.
No action was required on our (customer) side.