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 method="post" uri="" uuid="73C1F704-C3E7-11EA-8645-ED621D44A1C8" encoding="&#x2713;" key="login">
    <field attrs="" widget="text" display="Username" key="username" name="username" value="" id="uuid-73C22E86-C3E7-11EA-8645-ED621D44A1C8"/>
    <field id="uuid-73C262DE-C3E7-11EA-8645-ED621D44A1C8" name="password" key="password" display="Password" widget="password" attrs=""/>
    <field widget="submit" display="Login" key="submit" name="submit" value="" id="uuid-73C29E70-C3E7-11EA-8645-ED621D44A1C8" attrs=""/>
  </form>
</response>