URL - https://graph.facebook.com/v19.0/{{waba-id}}/message_templates

ERROR -{ "error": { "message": "Unsupported post request. Object with ID appid 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, "fbtrace_id": "AxfMsB2YzRjb89qZjapTe86" } }