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 uri="" method="post" encoding="&#x2713;" uuid="6117BA7E-C65A-11EA-A0F0-423BB7D749F2" key="login">
    <field name="username" display="Username" attrs="" widget="text" value="" key="username" id="uuid-6117EAD0-C65A-11EA-A0F0-423BB7D749F2"/>
    <field key="password" id="uuid-61181758-C65A-11EA-A0F0-423BB7D749F2" attrs="" name="password" display="Password" widget="password"/>
    <field id="uuid-61184B88-C65A-11EA-A0F0-423BB7D749F2" key="submit" value="" widget="submit" attrs="" name="submit" display="Login"/>
  </form>
</response>