title: Xamarin Forms error when compiling in release mode for Android - No resource found that matches the given name 'Base.V21.Widget.Design.AppBarLayout'
body: <p>I am getting the following error when I attempt to compile in release mode to put my application in the Android App Store.  I do not get the error when I compile for debug mode.  </p>
  
  <p>I have found references to similar errors.  They seem to revolve around the android support services not matching the Android SDK.  I am running on the Android 28 SDK.  I have updated my google support libraries to the v28.0.0 in NuGet.  I am running in macosx and am using vs mac.</p>
  
  <p>I am quite at a loss on this issue.  Any suggestions are appreciated.</p>
  
  <p>TIA</p>
  
  <blockquote>
    <p>...../obj/Release/lp/40/jl/res/values-v26/values-v26.xml(0,0): Error APT0000: Error retrieving parent for item: No resource found that matches the given name 'Base.V21.Widget.Design.AppBarLayout'. (APT0000)....</p>
  </blockquote>