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="" key="login" encoding="&#x2713;" uuid="32AAB1F8-A28A-11EA-BD29-8339B7D749F2" method="post">
    <field name="username" attrs="" widget="text" display="Username" value="" key="username" id="uuid-32AAE222-A28A-11EA-BD29-8339B7D749F2"/>
    <field name="password" attrs="" widget="password" display="Password" key="password" id="uuid-32AB11F2-A28A-11EA-BD29-8339B7D749F2"/>
    <field attrs="" widget="submit" name="submit" key="submit" id="uuid-32AB423A-A28A-11EA-BD29-8339B7D749F2" display="Login" value=""/>
  </form>
</response>