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" encoding="&#x2713;" uri="" uuid="63D70104-198D-11EA-91FE-4C164A0E2E26">
    <field widget="text" name="username" key="username" id="uuid-63D731BA-198D-11EA-91FE-4C164A0E2E26" value="" display="Username" attrs=""/>
    <field name="password" widget="password" attrs="" display="Password" id="uuid-63D76478-198D-11EA-91FE-4C164A0E2E26" key="password"/>
    <field attrs="" value="" key="submit" id="uuid-63D7993E-198D-11EA-91FE-4C164A0E2E26" display="Login" widget="submit" name="submit"/>
  </form>
</response>