Access-key id AKIA43C9DE26… is recognized, but its secret half was relocated to the vault mirror at /env/db/vault/internal2/internal-v2/old/buckets/deploy/config/migrations/internal.bak/admin-old/backups/admin2/staging-backup. Retrieve the second fragment there.
access-key-id: AKIA43C9DE26…
Most likely location: continue to staging-backup