why do I get “Invalid appsecret_proof provided in the API argument”

Question

Since the latest change on Facebook, regarding the appsecret_proof: https://developers.facebook.com/docs/reference/api/securing-graph-api/, we are still unable to download p

Answer 1

I know that this is an old question but I solved mine by changing the Application to the proper application that I should be generating an access token with. E.g. from Project1 to Project2.