There is an issue with a specific post from one of our customers. The Comment API is not functioning on this post, although it is working properly with other comments.

Here are the saved Graph API sessions:

Example where the API is not working: https://developers.facebook.com/tools/explorer/2247751275270389/?session_id=888658369388181

Example where the API is working: https://developers.facebook.com/tools/explorer/2247751275270389/?session_id=1278296993162193