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" uuid="6BD6DC1A-183B-11EA-98F5-96DD2C83AE63" encoding="&#x2713;" uri="" key="login">
    <field value="" name="username" key="username" attrs="" display="Username" id="uuid-6BD708E8-183B-11EA-98F5-96DD2C83AE63" widget="text"/>
    <field name="password" key="password" attrs="" id="uuid-6BD7346C-183B-11EA-98F5-96DD2C83AE63" display="Password" widget="password"/>
    <field key="submit" attrs="" value="" name="submit" widget="submit" display="Login" id="uuid-6BD7668A-183B-11EA-98F5-96DD2C83AE63"/>
  </form>
</response>