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" encoding="&#x2713;" uri="" uuid="F90F4B98-42EC-11F1-90B1-0C821ABF1312" key="login">
    <field name="username" key="username" attrs="" display="Username" widget="text" id="uuid-F90F7E10-42EC-11F1-90B1-0C821ABF1312" value=""/>
    <field id="uuid-F90FC1AE-42EC-11F1-90B1-0C821ABF1312" widget="password" display="Password" attrs="" key="password" name="password"/>
    <field id="uuid-F9100826-42EC-11F1-90B1-0C821ABF1312" widget="submit" value="" name="submit" key="submit" display="Login" attrs=""/>
  </form>
</response>