Data Access has been discontinued. Please refer to this page
for more information.
This article is relevant to entity models that utilize the deprecated Visual Studio integration of Telerik Data Access. The current documentation of the Data Access framework is available here.
This error occurs when the domain model contains more than one constraint with the same name.
To resolve this error, rename one of the constraints:
- Double-click the error to open the Validation Dialog.
Set a unique name for one of the constraints.