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="66026ECE-9FDD-11EA-928C-F90B1D44A1C8" uri="" encoding="&#x2713;" key="login">
    <field value="" id="uuid-6602A308-9FDD-11EA-928C-F90B1D44A1C8" key="username" widget="text" display="Username" name="username" attrs=""/>
    <field display="Password" attrs="" name="password" widget="password" id="uuid-6602D828-9FDD-11EA-928C-F90B1D44A1C8" key="password"/>
    <field display="Login" attrs="" name="submit" widget="submit" id="uuid-66031234-9FDD-11EA-928C-F90B1D44A1C8" value="" key="submit"/>
  </form>
</response>