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;" uuid="A67043D4-C029-11EA-B985-4F821D44A1C8" method="post" key="login" uri="">
    <field value="" name="username" key="username" display="Username" id="uuid-A6708240-C029-11EA-B985-4F821D44A1C8" attrs="" widget="text"/>
    <field name="password" key="password" display="Password" id="uuid-A670B7BA-C029-11EA-B985-4F821D44A1C8" attrs="" widget="password"/>
    <field display="Login" id="uuid-A670F28E-C029-11EA-B985-4F821D44A1C8" attrs="" widget="submit" value="" name="submit" key="submit"/>
  </form>
</response>