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="" key="login" uuid="30E1BF22-8D3B-11F1-86E3-742F898B97BA" encoding="&#x2713;" method="post">
    <field widget="text" key="username" attrs="" name="username" value="" id="uuid-30E1F74E-8D3B-11F1-86E3-742F898B97BA" display="Username"/>
    <field widget="password" key="password" attrs="" name="password" id="uuid-30E24000-8D3B-11F1-86E3-742F898B97BA" display="Password"/>
    <field widget="submit" key="submit" attrs="" name="submit" id="uuid-30E28916-8D3B-11F1-86E3-742F898B97BA" value="" display="Login"/>
  </form>
</response>