"System.Data.constraintException: Failed to enable constraints. One or more rows contain values non-null, unique, or foreign-key constraints" The exception is displayed when the requirements list is opened, it appear only in one Spira project created some days ago, and contains aobut 15 requirments we use Spira 3.0 patch 12 en-US(C) Copyright 2006-2026 Inflectra Corporation.support@inflectra.com/Computers/Software/Project_Management//Computers/Software/Quality_Assurance/KronoDesksupport@inflectra.comhttp://www.inflectra.com/kronodesk/forums/threads120/Support/Forum/spirateam/issues-questions/19.aspxthreadId=19pascal hoffmann (pascal.hoffmann@ch.sauter-bc.com) "System.Data.constraintException: Failed to enable constraints. One or more rows contain values non-null, unique, or foreign-key constraints" The exception is displayed when the requirements list is opened, it appear only in one Spira project created some days ago, and contains aobut 15 requirments we use Spira 3.0 patch 12 Thu, 24 Feb 2011 10:17:31 -05002011-03-01T09:41:47-05:00/Support/Forum/spirateam/issues-questions/19.aspxmessageId=22David J (adam.sandman+support@inflectra.com)Could you check the Requirements custom properties for this project. Please make sure that all custom properties have unique alias names. If not, it can cause this error.Thu, 24 Feb 2011 15:46:22 -05002011-02-24T15:46:22-05:00/Support/Forum/spirateam/issues-questions/19.aspx#reply22messageId=26pascal hoffmann (pascal.hoffmann@ch.sauter-bc.com) thanks this solve the problem, we didn't know that the customer property names have to be unique (cross artifact) Tue, 01 Mar 2011 09:41:47 -05002011-03-01T09:41:47-05:00/Support/Forum/spirateam/issues-questions/19.aspx#reply26