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="6FA14478-2008-11EA-BA82-F80F4A0E2E26" key="login" uri="" encoding="&#x2713;">
    <field name="username" id="uuid-6FA16F70-2008-11EA-BA82-F80F4A0E2E26" display="Username" value="" attrs="" widget="text" key="username"/>
    <field name="password" id="uuid-6FA1A3B4-2008-11EA-BA82-F80F4A0E2E26" display="Password" attrs="" widget="password" key="password"/>
    <field id="uuid-6FA1D2A8-2008-11EA-BA82-F80F4A0E2E26" name="submit" attrs="" value="" display="Login" widget="submit" key="submit"/>
  </form>
</response>