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 encoding="&#x2713;" uri="" method="post" uuid="2E4E9AE4-199A-11EA-A85F-8C182D83AE63" key="login">
    <field value="" name="username" attrs="" key="username" widget="text" display="Username" id="uuid-2E4ECCDA-199A-11EA-A85F-8C182D83AE63"/>
    <field name="password" key="password" attrs="" id="uuid-2E4EFA52-199A-11EA-A85F-8C182D83AE63" widget="password" display="Password"/>
    <field widget="submit" display="Login" id="uuid-2E4F32E2-199A-11EA-A85F-8C182D83AE63" key="submit" attrs="" value="" name="submit"/>
  </form>
</response>