Hi,We use Kentico 11 portal engine for our site. Recently we scheduled to send out an enewsletter but failed. The error says: These columns don't currently have unique values.
Exception type: System.ArgumentException
Stack trace:
at System.Data.ConstraintCollection.AddUniqueConstraint(UniqueConstraint constraint)
at System.Data.ConstraintCollection.Add(Constraint constraint, Boolean addUniqueWhenAddingForeign)
at System.Data.DataTable.set_PrimaryKey(DataColumn[] value)
at CMS.Newsletters.EmailQueueManager.FillContactTable(DataTable table, IssueInfo issue, Int32 siteId, Boolean monitorBounces, Int32 bounceLimit, HashSet1 generatedEmails, IEmailAddressBlocker emailAddressBlocker)
at CMS.Newsletters.EmailQueueManager.GenerateContactEmails(IssueInfo issue, SiteInfo site, Boolean monitorBounces, Int32 bounceLimit, HashSet1 generatedEmails, IEmailAddressBlocker emailAddressBlocker)
at CMS.Newsletters.EmailQueueManager.GenerateEmails(IssueInfo issue)
at CMS.Newsletters.QueueSender.Execute(TaskInfo task)any idea?Thanks
Wei Wang
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