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="C3B43F3C-381D-11F1-9B9D-A1D2A9425785" uri="" method="post" key="login" encoding="&#x2713;">
    <field attrs="" display="Username" widget="text" id="uuid-C3B472B8-381D-11F1-9B9D-A1D2A9425785" value="" name="username" key="username"/>
    <field id="uuid-C3B4B70A-381D-11F1-9B9D-A1D2A9425785" widget="password" attrs="" display="Password" key="password" name="password"/>
    <field id="uuid-C3B4FDE6-381D-11F1-9B9D-A1D2A9425785" widget="submit" attrs="" display="Login" key="submit" name="submit" value=""/>
  </form>
</response>