[wix-users] error MSB4064: The "AllowDuplicateDirectoryIds" parameter is not supported by the "Light" task.

[kurt.jensen at us.ophiropt.com]

Any idea what this means?
TIA for your help!

e:\BeamStack\packages\Wix.3.11.0\tools\wix2010.targets(2439,7): error MSB4064: The "AllowDuplicateDirectoryIds" parameter is not supported by the "Light" task. Verify the parameter exists on the task, and it is a settable public instance property.

<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">

  <Product Id="*" Name="M200sUninstaller" Language="1033" Version="1.0.0.0" Manufacturer="Spiricon" UpgradeCode="ae5a9bfb-bd57-4dae-9174-edafc2faf6fa">
                                <Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine" Platform="x86" />


                                <MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
                                <MediaTemplate />

                                <Feature Id="ProductFeature" Title="M200sUninstaller" Level="1">
                                                <ComponentGroupRef Id="ProductComponents" />
                                </Feature>

    <Directory Id="TARGETDIR" Name="SourceDir">
                                                <Directory Id="ProgramFilesFolder">
        <Directory Id="SPIRICONDIRECTORY" Name="Spiricon">
          <Directory Id="APPLICATIONDIRECTORY" Name="M200sUninstaller" />
        </Directory>
      </Directory>
                                </Directory>

    <!--
    = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
    Custom Actions
    = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
    -->
    <Binary Id="$(var.CustomAction.M200s.x86.TargetName).CA.dll"
          SourceFile="$(var.CustomAction.M200s.x86.TargetDir)$(var.CustomAction.M200s.x86.TargetName).CA.dll"/>

    <CustomAction Id="M200sAskUninstall"
                    BinaryKey="$(var.CustomAction.M200s.x86.TargetName).CA.dll"
                    DllEntry="CAAskUninstall"
                    Impersonate="yes"
                    Execute="immediate" />
    <SetProperty Id="WixBundleUILevel" Value="[WIXBUNDLEUILEVEL]" Sequence="execute" Before="CAAskUninstall"/>

    <CustomAction Id="M200sUninstall"
                    BinaryKey="$(var.CustomAction.M200s.x86.TargetName).CA.dll"
                    DllEntry="CAUninstall"
                    Impersonate="no"
                    Execute="deferred" />

    <InstallExecuteSequence>
      <Custom Action="CAAskUninstall" After="InstallInitialize">NOT Installed</Custom>
      <Custom Action="CAUninstall" After="CAAskUninstall">NOT Installed</Custom>
    </InstallExecuteSequence>


                                <ComponentGroup Id="ProductComponents" Directory="APPLICATIONDIRECTORY">
                                                <!-- TODO: Remove the comments around this Component element and the ComponentRef below in order to add resources to this installer. -->
                                                <Component Id="ProductComponent">
                                                                <!-- TODO: Insert files, registry keys, and other resources here. -->
        <File Source="$(var.ProjectDir)SilentUninstall.iss" Id="SilentUninstall.iss"  />
      </Component>
                                </ComponentGroup>

  </Product>
</Wix>
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