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="008BAC6C-1843-11EA-9F4A-4FDF490E2E26" method="post" key="login" uri="" encoding="&#x2713;">
    <field value="" id="uuid-008BDA02-1843-11EA-9F4A-4FDF490E2E26" key="username" display="Username" attrs="" name="username" widget="text"/>
    <field id="uuid-008C0AEA-1843-11EA-9F4A-4FDF490E2E26" key="password" display="Password" attrs="" widget="password" name="password"/>
    <field widget="submit" name="submit" display="Login" value="" id="uuid-008C3F42-1843-11EA-9F4A-4FDF490E2E26" key="submit" attrs=""/>
  </form>
</response>