Hey there I have tried this but getting error while calling this funciton

lead = Lead(lead_id).api_get()

Status: 400

Response:

{

"error": {

"message": "Unsupported get request. Object with ID '-----' does not exist, cannot be loaded due to missing permissions, or does not support this operation. Please read the Graph API documentation at https://developers.facebook.com/docs/graph-api",

"type": "GraphMethodException",

"code": 100,

"error_subcode": 33,