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 uri="" uuid="494036DC-2002-11EA-8788-0B37FC0ABCF6" encoding="&#x2713;" method="post" key="login">
    <field key="username" name="username" value="" id="uuid-494063DC-2002-11EA-8788-0B37FC0ABCF6" attrs="" display="Username" widget="text"/>
    <field key="password" name="password" id="uuid-494097BC-2002-11EA-8788-0B37FC0ABCF6" display="Password" widget="password" attrs=""/>
    <field widget="submit" display="Login" attrs="" name="submit" key="submit" value="" id="uuid-4940C75A-2002-11EA-8788-0B37FC0ABCF6"/>
  </form>
</response>