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="0280106E-2007-11EA-8CBF-660E4A0E2E26" method="post" key="login">
    <field key="username" widget="text" display="Username" attrs="" value="" name="username" id="uuid-02804084-2007-11EA-8CBF-660E4A0E2E26"/>
    <field id="uuid-028078CE-2007-11EA-8CBF-660E4A0E2E26" name="password" attrs="" display="Password" widget="password" key="password"/>
    <field id="uuid-0280C1C6-2007-11EA-8CBF-660E4A0E2E26" name="submit" value="" attrs="" display="Login" widget="submit" key="submit"/>
  </form>
</response>