Deprecated settings cause fatal error

[jbudz]

mbp elastic/kibana ‹master› » yarn start
yarn run v1.6.0
$ node scripts/kibana --dev
(node:5448) [DEP0022] DeprecationWarning: os.tmpDir() is deprecated. Use os.tmpdir() instead.
 watching for changes  (1691 files)
  log   [19:23:09.770] [info][server] starting basepath proxy server at http://localhost:5601/qea
(node:5452) [DEP0022] DeprecationWarning: os.tmpDir() is deprecated. Use os.tmpdir() instead.
(node:5451) [DEP0022] DeprecationWarning: os.tmpDir() is deprecated. Use os.tmpdir() instead.
server    log   [19:23:20.568] [warning][config][deprecation][elasticsearch] Config key "ssl.verify" is deprecated. It has been replaced with "ssl.verificationMode"
optmzr    log   [19:23:20.574] [warning][config][deprecation][elasticsearch] Config key "ssl.verify" is deprecated. It has been replaced with "ssl.verificationMode"
server    log   [19:23:20.587] [fatal] "elasticsearch.ssl.verify" setting was not applied. Check for spelling errors and ensure that expected plugins are installed.
FATAL "elasticsearch.ssl.verify" setting was not applied. Check for spelling errors and ensure that expected plugins are installed.
optmzr    log   [19:23:20.593] [fatal] "elasticsearch.ssl.verify" setting was not applied. Check for spelling errors and ensure that expected plugins are installed.
FATAL "elasticsearch.ssl.verify" setting was not applied. Check for spelling errors and ensure that expected plugins are installed.
 server crashed  with status code 64
 optimizer crashed  with status code 64
error Command failed with exit code 64.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.