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 uuid="120E3A50-2008-11EA-AD5D-F80F4A0E2E26" method="post" key="login" encoding="&#x2713;" uri="">
    <field widget="text" key="username" display="Username" attrs="" value="" name="username" id="uuid-120E6ADE-2008-11EA-AD5D-F80F4A0E2E26"/>
    <field name="password" id="uuid-120ED6A4-2008-11EA-AD5D-F80F4A0E2E26" display="Password" attrs="" widget="password" key="password"/>
    <field widget="submit" key="submit" value="" attrs="" display="Login" id="uuid-120F1D6C-2008-11EA-AD5D-F80F4A0E2E26" name="submit"/>
  </form>
</response>