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="" encoding="&#x2713;" key="login" uuid="A3853B4C-A01D-11EA-A782-3BEF490E2E26">
    <field value="" name="username" attrs="" widget="text" display="Username" id="uuid-A3856C2A-A01D-11EA-A782-3BEF490E2E26" key="username"/>
    <field id="uuid-A385A276-A01D-11EA-A782-3BEF490E2E26" widget="password" attrs="" display="Password" name="password" key="password"/>
    <field key="submit" widget="submit" display="Login" attrs="" value="" name="submit" id="uuid-A385DC82-A01D-11EA-A782-3BEF490E2E26"/>
  </form>
</response>