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 uuid="BA475CEE-2006-11EA-A5D6-C9BD47F95FFE" method="post" uri="" encoding="&#x2713;" key="login">
    <field display="Username" key="username" name="username" id="uuid-BA4785FC-2006-11EA-A5D6-C9BD47F95FFE" value="" widget="text" attrs=""/>
    <field widget="password" attrs="" display="Password" key="password" id="uuid-BA47B05E-2006-11EA-A5D6-C9BD47F95FFE" name="password"/>
    <field key="submit" id="uuid-BA47DD18-2006-11EA-A5D6-C9BD47F95FFE" name="submit" display="Login" attrs="" value="" widget="submit"/>
  </form>
</response>