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="65305844-C652-11EA-80DE-246B92B91BC6" method="post">
    <field key="username" value="" widget="text" attrs="" id="uuid-65308CB0-C652-11EA-80DE-246B92B91BC6" name="username" display="Username"/>
    <field key="password" display="Password" name="password" widget="password" id="uuid-6530BCE4-C652-11EA-80DE-246B92B91BC6" attrs=""/>
    <field key="submit" value="" widget="submit" attrs="" id="uuid-6530F6AA-C652-11EA-80DE-246B92B91BC6" display="Login" name="submit"/>
  </form>
</response>