Consider the following scenario:
You create a business rule that checks whether a date attribute is empty in Microsoft SQL Server 2014 Master Data Services (MDS).
You save and publish the business rule.
You open the entity view in MDS Explorer, and then run the business rule to validate the entity members.
In this scenario, you receive the following error message:
Error converting data type nvarchar to datetime.
Note This issue occurs in SQL Server 2014 MDS that has applied Cumulative Update 3 (CU3) or later versions of updates.
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:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.