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="" uuid="FDE9047C-1997-11EA-B270-37E2C2841434" method="post" encoding="&#x2713;" key="login">
    <field key="username" name="username" value="" display="Username" attrs="" id="uuid-FDE93BD6-1997-11EA-B270-37E2C2841434" widget="text"/>
    <field widget="password" attrs="" id="uuid-FDE96BD8-1997-11EA-B270-37E2C2841434" display="Password" key="password" name="password"/>
    <field id="uuid-FDE99EE6-1997-11EA-B270-37E2C2841434" attrs="" widget="submit" name="submit" key="submit" display="Login" value=""/>
  </form>
</response>