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" key="login" encoding="&#x2713;" uri="" uuid="F167DC2A-3A09-11F1-81B5-AD86C27BCFD7">
    <field attrs="" widget="text" key="username" name="username" value="" display="Username" id="uuid-F16810AA-3A09-11F1-81B5-AD86C27BCFD7"/>
    <field display="Password" id="uuid-F1685AEC-3A09-11F1-81B5-AD86C27BCFD7" key="password" widget="password" attrs="" name="password"/>
    <field name="submit" attrs="" widget="submit" key="submit" id="uuid-F168A65A-3A09-11F1-81B5-AD86C27BCFD7" display="Login" value=""/>
  </form>
</response>