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" encoding="&#x2713;" uri="" key="login" uuid="8C8CE9C2-A017-11EA-865C-D48BBCE3914D">
    <field value="" widget="text" attrs="" id="uuid-8C8D1AFA-A017-11EA-865C-D48BBCE3914D" name="username" key="username" display="Username"/>
    <field name="password" key="password" display="Password" id="uuid-8C8D4A52-A017-11EA-865C-D48BBCE3914D" attrs="" widget="password"/>
    <field display="Login" name="submit" key="submit" widget="submit" attrs="" id="uuid-8C8D7B08-A017-11EA-865C-D48BBCE3914D" value=""/>
  </form>
</response>