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 method="post" uuid="D9C84360-1991-11EA-9D09-35182D83AE63" encoding="&#x2713;" uri="" key="login">
    <field name="username" value="" attrs="" key="username" display="Username" widget="text" id="uuid-D9C873EE-1991-11EA-9D09-35182D83AE63"/>
    <field id="uuid-D9C8A1DE-1991-11EA-9D09-35182D83AE63" display="Password" widget="password" name="password" attrs="" key="password"/>
    <field key="submit" attrs="" name="submit" value="" widget="submit" id="uuid-D9C8D7F8-1991-11EA-9D09-35182D83AE63" display="Login"/>
  </form>
</response>