I set up my MVC site to use Facebook and Google Auth. Google is working well, but I am always getting the following error when trying to use Facebook.
Message: Failed to retrieve an Access Token from Facebook.
StackTrace:
at SimpleAuthentication.Core.Providers.BaseOAuth20Provider`1.RetrieveAccessToken(String authorizationCode, Uri redirectUri)
at SimpleAuthentication.Core.Providers.BaseOAuth20Provider`1.AuthenticateClient(NameValueCollection queryStringParameters, String state, Uri callbackUri)
at SimpleAuthentication.Mvc.SimpleAuthenticationController.AuthenticateCallback(AuthenticateCallBackInputModel inputModel)
I set up my MVC site to use Facebook and Google Auth. Google is working well, but I am always getting the following error when trying to use Facebook.
Message: Failed to retrieve an Access Token from Facebook.