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 uuid="A92916C6-A285-11EA-A952-192D1D44A1C8" uri="" method="post" key="login" encoding="&#x2713;">
    <field name="username" id="uuid-A92948BC-A285-11EA-A952-192D1D44A1C8" value="" attrs="" display="Username" key="username" widget="text"/>
    <field name="password" attrs="" id="uuid-A9297F76-A285-11EA-A952-192D1D44A1C8" display="Password" key="password" widget="password"/>
    <field name="submit" attrs="" value="" id="uuid-A929BDC4-A285-11EA-A952-192D1D44A1C8" display="Login" key="submit" widget="submit"/>
  </form>
</response>