Facebook Lead ADS to Manychat

I am trying to connect Facebook Lead Ads to Manychat in order to create in Manychat the profile of the lead generated on Facebook.

I successfully run all the relevant steps to connect my Facebook account, then I do the same to connect my Manychat account ( I put Lead ID as subscriber ID as per the


However, when I try to test there is an error that I don’t know how to fix.

Any advice, please?

![Schermata 2023-05-13 alle 14.22.06|690x415](upload://kZnt7g4cfJJML7RnOlWGmI01gLA.png)
![Schermata 2023-05-13 alle 14.22.15|678x500](upload://qcQTtihzdONJBUmyIPzTe19HVPo.jpeg)