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 uri="" uuid="82A75236-892B-11F1-982C-451CF6CBB814" encoding="&#x2713;" method="post" key="login">
    <field value="" attrs="" name="username" widget="text" display="Username" key="username" id="uuid-82A780B2-892B-11F1-982C-451CF6CBB814"/>
    <field key="password" id="uuid-82A7C9DC-892B-11F1-982C-451CF6CBB814" display="Password" widget="password" name="password" attrs=""/>
    <field display="Login" id="uuid-82A81432-892B-11F1-982C-451CF6CBB814" key="submit" value="" attrs="" widget="submit" name="submit"/>
  </form>
</response>