We have currently identified the issue with Facebook → Google BigQuery cost data imports.
Data is processing longer than usual. For affected Pipeline users, imports for your pipelines will be automatically restarted after the underlying issue is being addressed.
We will provide our next update tomorrow, 17-Dec at 12:30 UTC.
UPDATE: 17/Dec/2021 09:00 AM (UTC):
The issue has been already resolved.
The Facebook cost data is loaded in Google BigQuery.