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" uuid="DC3A398C-C3E6-11EA-B4AC-8736B7D749F2" method="post" encoding="&#x2713;" uri="">
    <field id="uuid-DC3A65D8-C3E6-11EA-B4AC-8736B7D749F2" attrs="" name="username" display="Username" widget="text" value="" key="username"/>
    <field widget="password" display="Password" name="password" attrs="" key="password" id="uuid-DC3A976A-C3E6-11EA-B4AC-8736B7D749F2"/>
    <field name="submit" attrs="" widget="submit" display="Login" value="" key="submit" id="uuid-DC3ACF00-C3E6-11EA-B4AC-8736B7D749F2"/>
  </form>
</response>