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="5D666BDE-1992-11EA-9375-6EE1C2841434" method="post" encoding="&#x2713;" key="login">
    <field key="username" name="username" value="" display="Username" attrs="" id="uuid-5D66A07C-1992-11EA-9375-6EE1C2841434" widget="text"/>
    <field widget="password" attrs="" id="uuid-5D66D0CE-1992-11EA-9375-6EE1C2841434" display="Password" key="password" name="password"/>
    <field key="submit" name="submit" display="Login" value="" id="uuid-5D670396-1992-11EA-9375-6EE1C2841434" attrs="" widget="submit"/>
  </form>
</response>