Facebook page leadgen webhook returns error 102 Server Failure

Question

Facebook page leadgen webhook won\'t work for my page and associated app.

If I test the webhook I setup with the testing tool and click the \"Track status\" button,

Answer 1

While subscribing my page to Facebook app I've set leadgen_fat instead of leadgen and got this error.

Add retrieve_leads to your scope on login and be sure that your app has this permission.Then add leadgen to subscribed fields.

https://stackoverflow.com/a/54713182/7313872