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" uuid="E56C067E-C036-11EA-89E1-90831D44A1C8" uri="" key="login" encoding="&#x2713;">
    <field name="username" key="username" value="" attrs="" widget="text" id="uuid-E56C3E6E-C036-11EA-89E1-90831D44A1C8" display="Username"/>
    <field widget="password" attrs="" id="uuid-E56C6FF6-C036-11EA-89E1-90831D44A1C8" display="Password" key="password" name="password"/>
    <field value="" key="submit" name="submit" id="uuid-E56CAD4A-C036-11EA-89E1-90831D44A1C8" display="Login" widget="submit" attrs=""/>
  </form>
</response>