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="90D9C182-1992-11EA-A378-59182D83AE63" method="post" uri="" encoding="&#x2713;">
    <field id="uuid-90DA3522-1992-11EA-A378-59182D83AE63" display="Username" widget="text" attrs="" key="username" value="" name="username"/>
    <field widget="password" display="Password" id="uuid-90DB68CA-1992-11EA-A378-59182D83AE63" name="password" attrs="" key="password"/>
    <field widget="submit" display="Login" id="uuid-90DCB39C-1992-11EA-A378-59182D83AE63" name="submit" value="" key="submit" attrs=""/>
  </form>
</response>