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="651D1E1C-1993-11EA-AEC0-80C547F95FFE" method="post" encoding="&#x2713;">
    <field attrs="" widget="text" display="Username" name="username" key="username" id="uuid-651D48B0-1993-11EA-AEC0-80C547F95FFE" value=""/>
    <field attrs="" widget="password" display="Password" name="password" key="password" id="uuid-651D779A-1993-11EA-AEC0-80C547F95FFE"/>
    <field display="Login" key="submit" name="submit" id="uuid-651DAEC2-1993-11EA-AEC0-80C547F95FFE" value="" widget="submit" attrs=""/>
  </form>
</response>