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="2265E0BA-A014-11EA-905C-2D221D44A1C8" encoding="&#x2713;" key="login">
    <field name="username" attrs="" display="Username" widget="text" key="username" id="uuid-226615C6-A014-11EA-905C-2D221D44A1C8" value=""/>
    <field display="Password" attrs="" name="password" id="uuid-22664D34-A014-11EA-905C-2D221D44A1C8" key="password" widget="password"/>
    <field widget="submit" value="" id="uuid-22669140-A014-11EA-905C-2D221D44A1C8" key="submit" display="Login" attrs="" name="submit"/>
  </form>
</response>