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" uuid="DD6B1D34-C02C-11EA-9A78-3B6BBCE3914D" key="login" encoding="&#x2713;" uri="">
    <field attrs="" widget="text" name="username" display="Username" value="" id="uuid-DD6B4BEC-C02C-11EA-9A78-3B6BBCE3914D" key="username"/>
    <field widget="password" name="password" attrs="" key="password" display="Password" id="uuid-DD6B7F54-C02C-11EA-9A78-3B6BBCE3914D"/>
    <field key="submit" id="uuid-DD6BB410-C02C-11EA-9A78-3B6BBCE3914D" value="" display="Login" name="submit" widget="submit" attrs=""/>
  </form>
</response>