FIX: "8156: A database error has occurred" when you run a business rule in SQL Server 2014 Master Data Services

Symptoms
You create a business rule that contains a circular reference by using Microsoft SQL Server 2014 Master Data Services. When you save the rule, you do not receive an error message. However, when you run the rule, you receive the following error message:

8156: A database error has occurred. Contact your system administrator.

For example, this problem occurs in the following scenario:
  • You create a business rule that uses the "must be unique" action.
  • In the Action step, you select the In combination with the following option.
  • The attribute that's referenced in the Action is also added as an "n combination with the following attributes parameter. This creates a circular reference.
  • You successfully publish the business rule.
  • You run the business rule.
Resolution
This problem was first fixed in the following cumulative update for SQL Server:

Cumulative Update 1 for SQL Server 2014 SP1

Cumulative Update 7 for SQL Server 2014


About cumulative updates for SQL Server
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 terminology Microsoft uses to describe software updates.
Properties

Article ID: 3051663 - Last Review: 06/22/2015 16:09:00 - Revision: 2.0

Microsoft SQL Server 2014 Developer, Microsoft SQL Server 2014 Enterprise, Microsoft SQL Server 2014 Express, Microsoft SQL Server 2014 Standard, Microsoft SQL Server 2014 Web, Microsoft SQL Server 2014 Service Pack 1

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