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 encoding="&#x2713;" uri="" key="login" uuid="20CBB3A2-573E-11EA-8CDA-A9D4C2841434" method="post">
    <field id="uuid-20CBE3C2-573E-11EA-8CDA-A9D4C2841434" value="" name="username" display="Username" widget="text" attrs="" key="username"/>
    <field name="password" display="Password" attrs="" widget="password" id="uuid-20CC193C-573E-11EA-8CDA-A9D4C2841434" key="password"/>
    <field widget="submit" attrs="" display="Login" name="submit" id="uuid-20CC573A-573E-11EA-8CDA-A9D4C2841434" value="" key="submit"/>
  </form>
</response>