Access-key id AKIA543FE4D6… is recognized, but its secret half was relocated to the vault mirror at /sitemap.xml/prod/vault/internal-backup/config/legacy/old/keys/admin.bak/infra/db/deploy/buckets/buckets. Retrieve the second fragment there.
access-key-id: AKIA543FE4D6…
Most likely location: continue to buckets