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" encoding="&#x2713;" uuid="3DF961DA-6BA6-11F1-B2D2-09B82C3515A0" uri="" method="post">
    <field id="uuid-3DF993B2-6BA6-11F1-B2D2-09B82C3515A0" name="username" display="Username" attrs="" value="" key="username" widget="text"/>
    <field attrs="" display="Password" name="password" id="uuid-3DF9DF3E-6BA6-11F1-B2D2-09B82C3515A0" widget="password" key="password"/>
    <field key="submit" widget="submit" value="" display="Login" name="submit" attrs="" id="uuid-3DFA2AA2-6BA6-11F1-B2D2-09B82C3515A0"/>
  </form>
</response>