OAuth Error 'Message:Error creating settings file: [RequestDataInvalid] Request data is invalid.' After authorizing the user

The callback URL appears to return a key. The error message contain URL?code=[what looks like the key]

Please elaborate on your query so community can help..

 

with component using error & configuration screenshot.

attached is the config.

org URL is https://api.businesscentral.dynamics.com/.default

once authorization link is selected and credentials entered (user has full admin access in BC and confirmed in postman)

the error below is returned...

 'Message:Error creating settings file: [RequestDataInvalid] Request data is invalid.'

this is the error after entering credentials in the authorization link.