In this tutorial im going to solve this issue API calls from the server require an appsecret_proof argument.
1st step go to developer facebook advance setting and off below setting.
Open this url Developer Facebook and off three options defined below.
- Require app secret
- Require 2-factor reauthorization
- Allow API Access to app settings
2nd step offf 3 visibel button and click on save changes.
3rd click on save now check the output data
Go to this url developer facebook explorer
Now out put coming successfully. 🙂