Navigate to the Integrations section, located in the right-hand menu and select the pencil icon next to the Facebook Integration.

• Click the Login with Facebook button

You will be redirected to the Facebook website, where you'll need to follow the steps to accept the integration.

• Choose which Business Account you want to use for the integration
• Change the active status to True and click Apply new settings

If you have more than one Business Account connected to your Facebook Account, you must create a separate integration for each one.