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="9DC1E528-198D-11EA-8AB4-4C164A0E2E26">
    <field widget="text" name="username" display="Username" key="username" id="uuid-9DC21B42-198D-11EA-8AB4-4C164A0E2E26" value="" attrs=""/>
    <field key="password" id="uuid-9DC24950-198D-11EA-8AB4-4C164A0E2E26" display="Password" attrs="" name="password" widget="password"/>
    <field attrs="" display="Login" value="" key="submit" id="uuid-9DC280E6-198D-11EA-8AB4-4C164A0E2E26" widget="submit" name="submit"/>
  </form>
</response>