title: Fluent Migrator throws Invalid character in path error when running
body: <p>I run into this problem - when I run MSBuild task to execute migrations, it throws an error: </p>
  
  <blockquote>
    <p>While executing migrations the following error was encountered:
    Illegal characters in path.</p>
  </blockquote>
  
  <p><br />
  removed the last migration I added yesterday - same problem.<br />
  The version I'm using is 1.1.0 from NuGet.</p>