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 key="login" uuid="13682728-28C9-11F1-9CEC-8611802D798A" method="post" encoding="&#x2713;" uri="">
    <field key="username" value="" widget="text" id="uuid-1368658A-28C9-11F1-9CEC-8611802D798A" name="username" attrs="" display="Username"/>
    <field key="password" widget="password" id="uuid-1368B2EC-28C9-11F1-9CEC-8611802D798A" name="password" attrs="" display="Password"/>
    <field id="uuid-13690198-28C9-11F1-9CEC-8611802D798A" attrs="" display="Login" name="submit" widget="submit" key="submit" value=""/>
  </form>
</response>