title: Error in "Line 1, Column 1" of script
body: <p>We have a MasterPage Javascript which runs numerous times with no problems but a small number of times, from various pages, it generates the error "Uncaught SyntaxError: Invalid or unexpected token" on Line 1, Column 1.</p>
  
  <p>What could be causing this sporadic error? The file changes very rarely.</p>
  
  <p>The browser is Chrome 66, this is an internal web application.</p>