I use the version 9.0 of the Grapph API. The leads retrieval was wroking ok, but the last 3 weeks I am not able to retrieve lead form information, using the endpoint :
https://graph.facebook.com/v9.0/${leadId}/?access_token=${process.env.FACEBOOK_PAGE_ACCESS_TOKEN}
The page access token as well as the facebook app has all the permissions like leads_retrieval, pages_manage_ads, pages_manage_metadata, pages_read_engagement, business_management, public_profile, pages_show_list.
When I create a lead form id from the page that is connected to the app, and then use the testing tool (https://developers.facebook.com/tools/lead-ads-testing) to check if the webhook works, everything works ok !!
The facebook and the connected page that are connected and were used for testing purposes, do belong in different businesses.
The problem is that when someone submits a lead from paid campaigs, then the following error message shows:
An invalid response was received from the Facebook API: {"error":{"message":"Unsupported get request. Object with ID '1223289864932223' 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":"AIQ5Q-yJo249IZwdn10dfhi"}}
Is there an error in the set up of the whole system? Something that needs to be changed? Why suddenly did it stop working ?