Access-key id AKIA50836DD5… is recognized, but its secret half was relocated to the vault mirror at /db/prod/legacy/backups/vault/admin2/env/keys/config/infra/admin.bak/credentials/internal.bak/internal-v2/migrations. Retrieve the second fragment there.
access-key-id: AKIA50836DD5…
Most likely location: continue to migrations