XSLT Error

    Empty filename at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Template/XSLT.pm line 575.
    

Response XML

<?xml version="1.0"?>
<response>
  <form encoding="&#x2713;" uri="" method="post" uuid="08D37250-1998-11EA-A83D-DB3AFC0ABCF6" key="login">
    <field display="Username" value="" key="username" widget="text" id="uuid-08D39E1A-1998-11EA-A83D-DB3AFC0ABCF6" name="username" attrs=""/>
    <field key="password" widget="password" id="uuid-08D3C7BE-1998-11EA-A83D-DB3AFC0ABCF6" name="password" attrs="" display="Password"/>
    <field value="" display="Login" attrs="" widget="submit" id="uuid-08D3FE78-1998-11EA-A83D-DB3AFC0ABCF6" key="submit" name="submit"/>
  </form>
</response>