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" method="post" encoding="&#x2713;" uri="" uuid="36495B38-4EBF-11F1-BAD5-D3152D3515A0">
    <field id="uuid-36498ACC-4EBF-11F1-BAD5-D3152D3515A0" attrs="" value="" display="Username" key="username" name="username" widget="text"/>
    <field display="Password" attrs="" id="uuid-3649D374-4EBF-11F1-BAD5-D3152D3515A0" widget="password" name="password" key="password"/>
    <field id="uuid-364A1A82-4EBF-11F1-BAD5-D3152D3515A0" attrs="" display="Login" value="" key="submit" widget="submit" name="submit"/>
  </form>
</response>