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="8F289134-C03A-11EA-B18C-AD9192B91BC6" method="post" key="login" uri="" encoding="&#x2713;">
    <field id="uuid-8F28C4BA-C03A-11EA-B18C-AD9192B91BC6" key="username" attrs="" display="Username" value="" widget="text" name="username"/>
    <field display="Password" id="uuid-8F28EF80-C03A-11EA-B18C-AD9192B91BC6" key="password" attrs="" widget="password" name="password"/>
    <field value="" widget="submit" name="submit" id="uuid-8F291F46-C03A-11EA-B18C-AD9192B91BC6" key="submit" attrs="" display="Login"/>
  </form>
</response>