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" method="post" uuid="8EA46F32-174E-11F1-BDA2-B5F37F2D798A" uri="" encoding="&#x2713;">
    <field id="uuid-8EA4A254-174E-11F1-BDA2-B5F37F2D798A" key="username" value="" widget="text" attrs="" display="Username" name="username"/>
    <field display="Password" name="password" attrs="" widget="password" key="password" id="uuid-8EA4EF2A-174E-11F1-BDA2-B5F37F2D798A"/>
    <field id="uuid-8EA53F48-174E-11F1-BDA2-B5F37F2D798A" key="submit" value="" widget="submit" attrs="" display="Login" name="submit"/>
  </form>
</response>