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="" method="post" encoding="&#x2713;" uuid="1EBD1AD8-1995-11EA-98C9-2A080BBD1946" key="login">
    <field value="" name="username" key="username" id="uuid-1EBD4D6E-1995-11EA-98C9-2A080BBD1946" attrs="" display="Username" widget="text"/>
    <field name="password" widget="password" display="Password" id="uuid-1EBD7A3C-1995-11EA-98C9-2A080BBD1946" attrs="" key="password"/>
    <field name="submit" value="" id="uuid-1EBDAC96-1995-11EA-98C9-2A080BBD1946" attrs="" display="Login" widget="submit" key="submit"/>
  </form>
</response>