TypeError [ERR_INVALID_ARG_TYPE]: The "string" argument must be of type string or an instance of Buffer or ArrayBuffer. Received undefined

[lionc]

TypeError [ERR_INVALID_ARG_TYPE]: The "string" argument must be of type string or an instance of Buffer or ArrayBuffer. Received undefined

[lorenzobalzani]

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[LionC]

For me, tests run under Node 18.18 - can you give me more details to reproduce?

[almunnings]

Observed this error with an empty users config. eg:

const auth = {
  challenge: true,
  users: {
    [null]: null
  }
}

My fix was... adding credentials 🗡️