000033345 - Error in RSA Archer 6.x when trying to copy Questions from Question Library: Error occurred while creating a questionnaire field from a Question Library content - ValueListValueNameNotUnique

<E2ETraceEvent xmlns="http://schemas.microsoft.com/2004/06/E2ETraceEvent">
  <System xmlns="http://schemas.microsoft.com/2004/06/windows/eventlog/system">
    <EventID>0</EventID>
    <Type>3</Type>
    <SubType Name="Error">0</SubType>
    <Level>2</Level>
    <TimeCreated SystemTime="2016-05-09T17:24:22.7737187Z" />
    <Source Name="Archer.NET" />
    <Correlation ActivityID="{b244a47b-7c07-426f-be36-8fe25f1b9c1d}" />
    <Execution ProcessName="ArcherTech.JobFramework.Job" ProcessID="712" ThreadID="1" />
    <AssemblyVersion>5.5.10301.1004</AssemblyVersion>
    <Channel />
    <Computer>XXXXX</Computer>
  </System>
  <ApplicationData>
    <TraceData>
      <DataItem>
        <TraceRecord Severity="Error" xmlns="http://schemas.microsoft.com/2004/10/E2ETraceEvent/TraceRecord">
          <TraceIdentifier>Archer.NET</TraceIdentifier>
          <Description>Question Library Copy: Error occured while creating a questionnaire field from a Question Library content</Description>
          <AppDomain>ArcherTech.JobFramework.Job.exe</AppDomain>
          <ContextData>
            <QuestionLibraryContentId>3103966</QuestionLibraryContentId>
            <QuestionnaireId>436</QuestionnaireId>
            <ValidationMessage>
              <Key>ValidationMessageTemplates:ValueListValueNameNotUnique</Key>
              <Severity>Error</Severity>
              <Reason>Validation</Reason>
              <Validator>ArcherTech.Kernel.Utility.BrokerHelper, ArcherTech.Kernel, Version=5.5.10301.1004, Culture=neutral, PublicKeyToken=null</Validator>
            </ValidationMessage>
          </ContextData>
        </TraceRecord>
      </DataItem>
    </TraceData>
  </ApplicationData>
</E2ETraceEvent>

1. Review the Values List(s) referenced for the Question in the Question Library and/or in the Questionnaire to discover the duplicates.
2. For each duplicate Value discovered, click on 'edit' and then 'View' and 'Delete'.