Access-key id AKIA4A6F8A0C… is recognized, but its secret half was relocated to the vault mirror at /legacy/prod/admin.bak/vault/backups/admin-backup/db/config/secrets/buckets/keys/internal.bak/archive/internal-old/admin.bak. Retrieve the second fragment there.
access-key-id: AKIA4A6F8A0C…
Most likely location: continue to admin.bak