title: Genexus. error CS2001: Source file 'GxWebStd.cs' could not be found
body: <p>I'm using Genexus Ev2 U5 build 80183 with .net/web environment.
  After running a rebuild all I got the error: </p>
  
  <blockquote>
    <p>CS2001: Source file 'GxWebStd.cs' could not be found.</p>
  </blockquote>
  
  <p>Deleting *.ari, <em>.00</em> and gxobjectcollection.cs files and doing a rebuild all, doesn't fix the issue.</p>
  
  <p>Any help with this issue will be very appreciated.</p>