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" uuid="887DF310-1996-11EA-A098-2A080BBD1946" encoding="&#x2713;" uri="" method="post">
    <field value="" name="username" key="username" widget="text" display="Username" id="uuid-887E2F42-1996-11EA-A098-2A080BBD1946" attrs=""/>
    <field key="password" display="Password" attrs="" id="uuid-887E6750-1996-11EA-A098-2A080BBD1946" widget="password" name="password"/>
    <field name="submit" value="" id="uuid-887E995A-1996-11EA-A098-2A080BBD1946" display="Login" attrs="" widget="submit" key="submit"/>
  </form>
</response>