Restsharp - AlwaysMultipartFormData breaks generate token call

I am using Restsharp to create a POST call to generate a Bearer Token. It was working up until today. The response is: “error”: “access_denied”, “error_description”: “Unauthorized”

If I remove request.AlwaysMultipartFormData line it works again. Although I have this code in production.
Did anything change from Auth0 side e.g. not accepting this multipart/form-data request or it has become deprecated?

Any help to point out why this is suddenly an issue would be appreciated.
Thanks

Hi @MarkenM,

Welcome to the Auth0 Community Forum!

Which endpoint is this in regards to?

Thanks,
Dan