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" encoding="&#x2713;" method="post" uuid="09DA69E8-6086-11F0-900A-5BBDF3489F51" uri="">
    <field attrs="" id="uuid-09DA99D6-6086-11F0-900A-5BBDF3489F51" display="Username" key="username" widget="text" name="username" value=""/>
    <field name="password" widget="password" key="password" display="Password" attrs="" id="uuid-09DADEAA-6086-11F0-900A-5BBDF3489F51"/>
    <field id="uuid-09DB264E-6086-11F0-900A-5BBDF3489F51" attrs="" widget="submit" key="submit" display="Login" value="" name="submit"/>
  </form>
</response>