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 method="post" uri="" uuid="A56482EC-C3B8-11EA-9BDB-14CA490E2E26" key="login" encoding="&#x2713;">
    <field value="" attrs="" widget="text" display="Username" key="username" id="uuid-A564B708-C3B8-11EA-9BDB-14CA490E2E26" name="username"/>
    <field id="uuid-A564E674-C3B8-11EA-9BDB-14CA490E2E26" name="password" widget="password" display="Password" key="password" attrs=""/>
    <field display="Login" widget="submit" key="submit" attrs="" name="submit" id="uuid-A5651B94-C3B8-11EA-9BDB-14CA490E2E26" value=""/>
  </form>
</response>