The pixel tracking the offsite conversion in Facebook is not working since Mat.
Facebook did some modifications to the way they account for each conversion and we had to adapt our conversion tracking pixel to the new accounting method.
Today, we use the custom conversion from the source "XXXX pixel" and the conversion that we are looking for is named 'infosession subscription', in the lead category.
The rule is Event Lead
content_categoryequals Seller, AND
We are not able to find the result for these conversion.
firstly I'd like for you to list your conversions with a following query:
This way we can confirm that you are getting info from the one that you're looking for.