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 encoding="&#x2713;" uri="" uuid="3C39D3C2-CF31-11F1-BC34-3971738CD348" method="post" key="login">
    <field id="uuid-3C3A03A6-CF31-11F1-BC34-3971738CD348" extra="" attrs="" display="Username" key="username" name="username" widget="text" value=""/>
    <field display="Password" widget="password" id="uuid-3C3A41F4-CF31-11F1-BC34-3971738CD348" key="password" extra="" attrs="" name="password"/>
    <field key="submit" name="submit" widget="submit" value="" extra="" id="uuid-3C3A84FC-CF31-11F1-BC34-3971738CD348" attrs="" display="Login"/>
  </form>
</response>