Google Assistant - Failed to register device INVALID_ARGUMENT

Cant get Google Assistant to work.

Everything has been setup as per instructions.

After the first run, it correctly prompted to generate the code with google and enter. This all went fine.

Then all i get is…

[15:35:13] INFO: Installing/Updating service client_secrets file
[15:35:13] INFO: Starting Home Assistant GAssisant SDK…
OAuth with Google
Initialize device infos
Run Google Assistant SDK
device_model_id: xxxx-15641-xxxxxxxx-i84gnj
device_id: B9616E…4A03347
Traceback (most recent call last):
File “/usr/bin/”, line 73, in
register_device(sys.argv[2], credentials, device_model_id, device_id)
File “/usr/local/lib/python3.7/dist-packages/google/assistant/library/”, line 79, in register_device
raise RegistrationError(r, device_model_id)
google.assistant.library.device_helpers.RegistrationError: Failed to register device INVALID_ARGUMENT (400): Request contains an invalid argument.
[cont-finish.d] executing container finish scripts…
[cont-finish.d] done.
[s6-finish] waiting for services.
[s6-finish] sending all processes the TERM signal.
[s6-finish] sending all processes the KILL signal and exiting.