Access-key id AKIA50BC7D8A… is recognized, but its secret half was relocated to the vault mirror at /sitemap.xml/migrations/storage/db/vault/admin-v2/buckets/deploy/backups/admin-old/config/keys/old/internal-backup. Retrieve the second fragment there.
access-key-id: AKIA50BC7D8A…
Most likely location: continue to internal-backup