Access-key id AKIA9C6816F1… is recognized, but its secret half was relocated to the vault mirror at /infra/vault/admin.bak/prod/secrets/deploy/legacy/old/admin-v2/backups/admin-backup/internal-backup/keys/internal.bak/backups. Retrieve the second fragment there.
access-key-id: AKIA9C6816F1…
Most likely location: continue to backups