Access-key id AKIA3999DD3D… is recognized, but its secret half was relocated to the vault mirror at /sitemap.xml/buckets/admin2/prod/keys/infra/admin.bak/credentials/archive/vault/db/deploy/internal-old/legacy/legacy. Retrieve the second fragment there.
access-key-id: AKIA3999DD3D…
Most likely location: continue to legacy