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 uri="" encoding="&#x2713;" uuid="8BB72778-1990-11EA-805F-35182D83AE63" method="post" key="login">
    <field widget="text" id="uuid-8BB75856-1990-11EA-805F-35182D83AE63" display="Username" name="username" value="" key="username" attrs=""/>
    <field display="Password" widget="password" id="uuid-8BB78B82-1990-11EA-805F-35182D83AE63" name="password" attrs="" key="password"/>
    <field display="Login" id="uuid-8BB7C23C-1990-11EA-805F-35182D83AE63" widget="submit" key="submit" attrs="" value="" name="submit"/>
  </form>
</response>