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="3DA10128-9FE4-11EA-AD2C-C20C1D44A1C8" encoding="&#x2713;" key="login">
    <field id="uuid-3DA13288-9FE4-11EA-AD2C-C20C1D44A1C8" value="" key="username" widget="text" display="Username" name="username" attrs=""/>
    <field name="password" attrs="" display="Password" widget="password" key="password" id="uuid-3DA1687A-9FE4-11EA-AD2C-C20C1D44A1C8"/>
    <field widget="submit" key="submit" value="" id="uuid-3DA1A2EA-9FE4-11EA-AD2C-C20C1D44A1C8" attrs="" name="submit" display="Login"/>
  </form>
</response>