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="4802646E-198D-11EA-91FE-4C164A0E2E26" method="post" encoding="&#x2713;" key="login" uri="">
    <field widget="text" name="username" attrs="" display="Username" value="" key="username" id="uuid-48029132-198D-11EA-91FE-4C164A0E2E26"/>
    <field attrs="" display="Password" key="password" id="uuid-4802C4A4-198D-11EA-91FE-4C164A0E2E26" name="password" widget="password"/>
    <field widget="submit" name="submit" attrs="" display="Login" id="uuid-4802F4D8-198D-11EA-91FE-4C164A0E2E26" value="" key="submit"/>
  </form>
</response>