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 encoding="&#x2713;" key="login" uri="" uuid="FE10DE6A-C02D-11EA-8B89-82821D44A1C8" method="post">
    <field key="username" name="username" value="" widget="text" attrs="" id="uuid-FE111FE2-C02D-11EA-8B89-82821D44A1C8" display="Username"/>
    <field display="Password" id="uuid-FE1164B6-C02D-11EA-8B89-82821D44A1C8" attrs="" widget="password" name="password" key="password"/>
    <field value="" name="submit" key="submit" id="uuid-FE11A638-C02D-11EA-8B89-82821D44A1C8" display="Login" attrs="" widget="submit"/>
  </form>
</response>