[Auth0] login fails with auth0 device code

[mingyu-00]

When I try to login alpacon with auth0 device code, it fails after confirm the device code.

alpacon login https://dev.alpacon.io/alpacax                                                                                                  ✔
Logging in to https://alpacax.dev.alpacon.io

==================== AUTHENTICATION REQUIRED ====================

Please authenticate by visiting the following URL:
https://auth.dev.alpacon.io/activate?user_code=BWWX-XGQF

===============================================================

Waiting for user to complete authentication...
Waiting for user to complete authentication...
Waiting for user to complete authentication...
Error: error response from authentication server: access_denied - The transaction metadata value must be of type null, string, number or boolean.
For issues, check the latest version or report on https://github.com/alpacax/alpacon-cli/issues