title: The Windows Installer XML variable 'WixUICostingPopupOptOut' is declared in more than one location. Please remove one of the declarations
body: <p>I have created a setup for my web application using wix 3.7 but on building the WIX setup I got the following Error.</p>
  
  <pre><code>error LGHT0195: The Windows Installer XML variable 'WixUICostingPopupOptOut' is declared in more than one location.  Please remove one of the declarations.
  </code></pre>
  
  <p>I have searched a lot and got this solution.
  I have added code below to my Product.wxs</p>
  
  <pre><code>&lt;WixVariable Id="WixUICostingPopupOptOut" Overridable="yes" Value="1"/&gt;
  </code></pre>
  
  <p>Not worked for me. Kindly help to fixing this issue.</p>
  
  <p>Thanks</p>