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" uri="" uuid="CCB72794-1997-11EA-809B-6E1A4A0E2E26">
    <field name="username" widget="text" attrs="" display="Username" id="uuid-CCB7585E-1997-11EA-809B-6E1A4A0E2E26" key="username" value=""/>
    <field id="uuid-CCB78AEA-1997-11EA-809B-6E1A4A0E2E26" key="password" display="Password" attrs="" widget="password" name="password"/>
    <field key="submit" value="" id="uuid-CCB7C08C-1997-11EA-809B-6E1A4A0E2E26" display="Login" attrs="" widget="submit" name="submit"/>
  </form>
</response>