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" key="login" uri="" uuid="A3C66F54-9F0A-11EA-A317-DB9492B91BC6" encoding="&#x2713;">
    <field value="" display="Username" attrs="" name="username" id="uuid-A3C6A0E6-9F0A-11EA-A317-DB9492B91BC6" widget="text" key="username"/>
    <field id="uuid-A3C6CA30-9F0A-11EA-A317-DB9492B91BC6" widget="password" key="password" name="password" attrs="" display="Password"/>
    <field value="" attrs="" name="submit" key="submit" id="uuid-A3C6F834-9F0A-11EA-A317-DB9492B91BC6" widget="submit" display="Login"/>
  </form>
</response>