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 uuid="A6F83774-9FE2-11EA-AD8E-9E4192B91BC6" uri="" method="post" encoding="&#x2713;" key="login">
    <field attrs="" widget="text" id="uuid-A6F86BF4-9FE2-11EA-AD8E-9E4192B91BC6" value="" display="Username" key="username" name="username"/>
    <field id="uuid-A6F893E0-9FE2-11EA-AD8E-9E4192B91BC6" attrs="" widget="password" name="password" display="Password" key="password"/>
    <field attrs="" widget="submit" id="uuid-A6F8C2F2-9FE2-11EA-AD8E-9E4192B91BC6" value="" display="Login" key="submit" name="submit"/>
  </form>
</response>