Check that you have enabled our business integration with the required permissions to push updates, retrieve insights and/or post successfully to your Facebook page.
In the top right of your main navigation panel, select the drop-down
Select 'Settings & Privacy' > 'Settings'
On the left navigation panel, click on 'Security and Login'
On the left navigation panel, now click 'Business Integrations'
Click on 'View and edit' of the Local Listing Connector Business Integration.
Make sure all permissions are toggled on and all pages are selected.