Sincere

h1. This authorization code has been used

• Facebook: “This authorization code has been used.”,“type”:“OAuthException”,“code”:100
  https://stackoverflow.com/questions/24039756/facebook-this-authorization-code-has-been-used-typeoauthexception-code

• Can not authorise user in Facebook JS SDK : “This authorization code has been used.” or how to get new authorisation token?
  https://stackoverflow.com/questions/16224141/can-not-authorise-user-in-facebook-js-sdk-this-authorization-code-has-been-us

• Facebook OAuthException: This authorization code has been used
  https://stackoverflow.com/questions/13769989/facebook-oauthexception-this-authorization-code-has-been-used

h1. This authorization code has expired

• Facebook Graph Error This authorization code has expired
  https://stackoverflow.com/questions/44823695/facebook-graph-error-this-authorization-code-has-expired