Facebook requires that advertiser accounts accept specific terms and conditions before creating customer list-based audiences. You will not be able to connect Rev.Up to your Facebook ads account(s) until you have completed this in each account. If you have not completed this step, it will require you start a file upload process in the Facebook audience wizard. You can use the file attached to this article to run that process.
Step 1: Navigate to the Audiences tab within the ads account
Step 2: Create a custom source audience
Step 3: Select the Customer List type of audience
Step 4: Proceed through the wizard and use the attached file to trigger the step that requires you accept the terms and conditions
You will encounter a prompt to accept Facebook's terms and conditions for customer lists: