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 uri="" key="login" encoding="&#x2713;" uuid="01C142A2-1840-11EA-87F3-8B24C3841434" method="post">
    <field value="" display="Username" key="username" name="username" widget="text" attrs="" id="uuid-01C17FA6-1840-11EA-87F3-8B24C3841434"/>
    <field widget="password" attrs="" id="uuid-01C1C7B8-1840-11EA-87F3-8B24C3841434" display="Password" name="password" key="password"/>
    <field widget="submit" attrs="" id="uuid-01C1FCB0-1840-11EA-87F3-8B24C3841434" display="Login" value="" key="submit" name="submit"/>
  </form>
</response>