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" key="login" uuid="86D3A784-574A-11EA-8529-9FD6C2841434" uri="" encoding="&#x2713;">
    <field key="username" widget="text" attrs="" name="username" display="Username" value="" id="uuid-86D3D95C-574A-11EA-8529-9FD6C2841434"/>
    <field id="uuid-86D41D04-574A-11EA-8529-9FD6C2841434" name="password" display="Password" widget="password" attrs="" key="password"/>
    <field key="submit" name="submit" display="Login" widget="submit" attrs="" id="uuid-86D458F0-574A-11EA-8529-9FD6C2841434" value=""/>
  </form>
</response>