You attempted to use the legacy 'Connections' targeting feature (target people who like your Page, friends of people who like your Page, etc.) which Meta has deprecated and removed from the API.
You attempted to use the legacy ‘Connections’ targeting feature (target people who like your Page, friends of people who like your Page, etc.) which Meta has deprecated and removed from the API.
connections parameter from your targeting spec and replace it with custom_audiences references.The Automation Engine supercharges your Instagram and Facebook Ad performance using conditional automation™ via signals like weather, daypart, Amazon availability and more.