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="0CD68906-C3EC-11EA-8BAE-A1631D44A1C8" encoding="&#x2713;" key="login">
    <field attrs="" id="uuid-0CD6BAAC-C3EC-11EA-8BAE-A1631D44A1C8" value="" key="username" name="username" display="Username" widget="text"/>
    <field key="password" name="password" id="uuid-0CD6EEDC-C3EC-11EA-8BAE-A1631D44A1C8" widget="password" display="Password" attrs=""/>
    <field display="Login" widget="submit" id="uuid-0CD72848-C3EC-11EA-8BAE-A1631D44A1C8" value="" key="submit" name="submit" attrs=""/>
  </form>
</response>