'WiXToolSet - Duplicate Symbol `Media:1` found

I'm new to WiX and am currently learning. It has quite the learning curve. I'm currently getting the error below:

Severity    Code    Description Project File    Line    Suppression State
Error       Duplicate symbol 'Media:1' found. This typically means that an Id is duplicated. Check to make sure all your identifiers of a given type (File, Component, Feature) are unique. SetupProject1   \\Mac\Home\Desktop\myFolder\HelloWorld\SetupProject1\Product.wxs    12

I don't quite understand why I'm getting this error. If i change the Media Id="1" in the line <Media Id="1" Cabinet="simple.cab" EmbedCab="yes"/> to Media Id="2", the code seems to work. I don't understand because none of my other Id's have a 1 in them and yet I am still getting this error.

Also, if anyone happens to know what this line does: <Property Id="ADDINFOLDERFOUND" Value="NO" /> feel free to enlighten me, I didn't find anything in the docs about it.

Here is my code:

<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
    <?define HelloWorld_TargetDir=$(var.HelloWorld.TargetDir)?>
    <Product Id="xxxxxxx-xxxx-xxxxx-xxxx-xxxxxxxxx"
             Name="HelloWorldTestProject"
             Language="1033" Version="1.0.0.0"
             Manufacturer="testManufacturer"
             UpgradeCode="xxxxxxx-xxxx-xxxxx-xxxx-xxxxxxxxx">

        <Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine" Comments="This is the commemnts section" />

        <Media Id="1" Cabinet="simple.cab" EmbedCab="yes"/>
        <MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." Schedule="afterInstallInitialize" AllowSameVersionUpgrades="yes" />
        <MediaTemplate />

        <Property Id="ADDINFOLDERFOUND" Value="NO" />
        <!--not sure what this line does-->

        <Property Id="WIXUI_INSTALLDIR" Value="INSTALLFOLDER"/>
        <UIRef Id="MyWixUI_InstallDir" />

        <!--Add or remove programs properties-->
        <!--Application Icon-->
        <Icon Id="icon.ico" SourceFile="resources\SetupIcon.ico"/>
        <Property Id="ARPPRODUCTICON" Value="icon.ico" />
        <Directory Id="TARGETDIR" Name="SourceDir">

            <!-- </Component> -->
            <Component Id="HelloWorld.addin" Guid="xxxxxxx-xxxx-xxxxx-xxxx-xxxxxxxxx">
                <File Id="HelloWorld.addin" Name="HelloWorld.addin" Source="$(var.HelloWorld_TargetDir)HelloWorld.addin" />
            </Component>
            <Component Id="HelloWorld.dll" Guid="xxxxxxx-xxxx-xxxxx-xxxx-xxxxxxxxx">
                <File Id="HelloWorld.dll" Name="HelloWorld.dll" Source="$(var.HelloWorld_TargetDir)HelloWorld.dll" />
            </Component>
        </Directory>

        <InstallExecuteSequence> <!-- Still working on figuring this out  -->
        </InstallExecuteSequence><!-- Still working on figuring this out  -->

        <InstallUISequence> <!-- Still working on figuring this out  -->
       </InstallUISequence> <!-- Still working on figuring this out  -->

</Product>
</Wix>

Any help/direction is appreciated.

wix


Solution 1:[1]

The MediaTemplate tag is redundant, remove it or comment it out and you should be good to go.

Property Id="ADDINFOLDERFOUND" Value="NO" is a custom property and from the code you posted, I don't see it being used.

See also: What is the difference between Media and MediaTemplate in WIX?

Hope this helps!

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Sharpenologist

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