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" uuid="E9426112-1FFF-11EA-9200-22DEC2841434" key="login" encoding="&#x2713;" uri="">
    <field value="" widget="text" name="username" id="uuid-E9428E94-1FFF-11EA-9200-22DEC2841434" attrs="" key="username" display="Username"/>
    <field id="uuid-E942BC8E-1FFF-11EA-9200-22DEC2841434" attrs="" key="password" display="Password" widget="password" name="password"/>
    <field name="submit" value="" widget="submit" display="Login" id="uuid-E942EEDE-1FFF-11EA-9200-22DEC2841434" attrs="" key="submit"/>
  </form>
</response>