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" uri="" encoding="&#x2713;" uuid="4A54F5D6-A017-11EA-A01B-1C7B47F95FFE" key="login">
    <field name="username" display="Username" value="" attrs="" key="username" id="uuid-4A552CEA-A017-11EA-A01B-1C7B47F95FFE" widget="text"/>
    <field name="password" display="Password" key="password" id="uuid-4A555AF8-A017-11EA-A01B-1C7B47F95FFE" attrs="" widget="password"/>
    <field name="submit" display="Login" value="" attrs="" key="submit" id="uuid-4A5592B6-A017-11EA-A01B-1C7B47F95FFE" widget="submit"/>
  </form>
</response>