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="0A245E64-4126-11F1-A221-E532802D798A" uri="" key="login" encoding="&#x2713;" method="post">
    <field id="uuid-0A2499D8-4126-11F1-A221-E532802D798A" key="username" widget="text" display="Username" attrs="" name="username" value=""/>
    <field id="uuid-0A24E33E-4126-11F1-A221-E532802D798A" widget="password" key="password" display="Password" attrs="" name="password"/>
    <field display="Login" attrs="" name="submit" value="" id="uuid-0A25324E-4126-11F1-A221-E532802D798A" key="submit" widget="submit"/>
  </form>
</response>