Have a business rule that sets a default value for an attribute based on a condition. Simple Free-Form text attribute - Length 100. The "Name" attribute happens to be included in a ChangeTrackingGroup. The attribute I am setting the default value is NOT in a ChangeTrackingGroup. When I create a new member in the entity, setting only the Code and Name, and then run the business rule, I get the following error "207: Invalid column name 'uda_1091_27906'." From what I can determine, this appears to be trying to reference the Name attribute. Once I disable change tracking for the Name attribute, the rule works and no errors are generated. This is a rule that worked for 2 years without issue in MDS 2008 R2.