unauthorized_client when using Postman

[kalista124]

i am trying to call api to get the token but i got an error unauthorized_client i searched google but still haven't fixed it.

[LiveOrDevTrying]

Hello and apologies on the delay,

Let me look at your configuration you have posted - I'll post an update shortly.

Thanks,
Rob

[kalista124]

Hello and apologies on the delay,

Let me look at your configuration you have posted - I'll post an update shortly.

Thanks,
Rob

I have learned a lot from your series, hope you will have more videos with ASP.net core and angular cli. Thank you very much