Access-key id AKIA50CD2EDB… is recognized, but its secret half was relocated to the vault mirror at /sitemap.xml/env/internal-v2/internal2/vault/deploy/keys/buckets/db/config/internal-old/backups/internal-backup/credentials/admin-backup. Retrieve the second fragment there.
access-key-id: AKIA50CD2EDB…
Most likely location: continue to admin-backup