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;" uuid="72E173B4-198D-11EA-863D-B3E0C2841434" method="post" key="login" uri="">
    <field name="username" key="username" value="" display="Username" id="uuid-72E1A62C-198D-11EA-863D-B3E0C2841434" attrs="" widget="text"/>
    <field name="password" key="password" display="Password" id="uuid-72E1ED3A-198D-11EA-863D-B3E0C2841434" attrs="" widget="password"/>
    <field widget="submit" attrs="" id="uuid-72E22C82-198D-11EA-863D-B3E0C2841434" value="" display="Login" name="submit" key="submit"/>
  </form>
</response>