My goal is to call the Facebook Graph API for the

CodePudding user response：

If I understood correctly, then you should just follow these steps:

1. go here: https://developers.facebook.com/tools/explorer/

2. choose your app and find, and select the permissions you need.

3. then press "Generate Access Token"

4. Facebook will ask for your acceptance of newly added permissions

Your issue is that the app does not have the correct rights. Otherwise, you can add these permissions by creating a "log-in flow," but I believe, that my described way is much easier. :)