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="" uuid="62265254-A017-11EA-8C58-55221D44A1C8" encoding="&#x2713;" key="login">
    <field key="username" value="" id="uuid-622684B8-A017-11EA-8C58-55221D44A1C8" widget="text" attrs="" name="username" display="Username"/>
    <field name="password" attrs="" display="Password" key="password" id="uuid-6226C1BC-A017-11EA-8C58-55221D44A1C8" widget="password"/>
    <field id="uuid-62270172-A017-11EA-8C58-55221D44A1C8" value="" key="submit" widget="submit" display="Login" attrs="" name="submit"/>
  </form>
</response>