IMPORTANT: You can read the official documentation that Microsoft has on this topic from the following link (url). Have you ever received any Errors similar to these? Formula.Firewall: Query ‘Merge1’ (step ‘Source’) is accessing data sources that have privacy levels which cannot be used together. Please rebuild this data combination. Formula.Firewall: Query ‘Query1’ (step ‘Added … Continue reading Data Privacy and the Formula Firewall in Power BI / Power Query