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 key="login" uri="" uuid="DE301990-C65D-11EA-92BE-FE6A1D44A1C8" method="post" encoding="&#x2713;">
    <field id="uuid-DE304C4E-C65D-11EA-92BE-FE6A1D44A1C8" widget="text" key="username" attrs="" display="Username" name="username" value=""/>
    <field id="uuid-DE308420-C65D-11EA-92BE-FE6A1D44A1C8" widget="password" attrs="" key="password" name="password" display="Password"/>
    <field id="uuid-DE30B986-C65D-11EA-92BE-FE6A1D44A1C8" widget="submit" key="submit" attrs="" value="" name="submit" display="Login"/>
  </form>
</response>