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 key="login" uuid="C13FBD5E-1997-11EA-BD76-8C182D83AE63" method="post" uri="" encoding="&#x2713;">
    <field name="username" value="" attrs="" key="username" id="uuid-C13FEC5C-1997-11EA-BD76-8C182D83AE63" widget="text" display="Username"/>
    <field name="password" key="password" attrs="" id="uuid-C1401966-1997-11EA-BD76-8C182D83AE63" display="Password" widget="password"/>
    <field widget="submit" id="uuid-C1404ADA-1997-11EA-BD76-8C182D83AE63" display="Login" value="" name="submit" key="submit" attrs=""/>
  </form>
</response>