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 key="login" method="post" uri="" encoding="&#x2713;" uuid="2BC052DE-198D-11EA-87D0-4C164A0E2E26">
    <field attrs="" display="Username" key="username" value="" id="uuid-2BC08380-198D-11EA-87D0-4C164A0E2E26" name="username" widget="text"/>
    <field attrs="" id="uuid-2BC0C14C-198D-11EA-87D0-4C164A0E2E26" key="password" display="Password" name="password" widget="password"/>
    <field name="submit" widget="submit" display="Login" id="uuid-2BC0F7AC-198D-11EA-87D0-4C164A0E2E26" key="submit" value="" attrs=""/>
  </form>
</response>