Symptoms
Assume that you create a business rule in SQL Server 2016 Master Data Services (MDS). If you set a condition to refer to a parent entity, and you set an action to refer to another parent entity, you can't save or publish the business rule.
Resolution
The fix for this issue is included in the following cumulative updates for SQL Server:
Cumulative Update 4 for SQL Server 2016
Cumulative Update 1 for SQL Server 2016 Service Pack 1
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminologythat Microsoft uses to describe software updates.