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="234A3FEA-4D9B-11F1-966C-A464242F1D8B" key="login" encoding="&#x2713;" uri="" method="post">
    <field key="username" id="uuid-234A71EA-4D9B-11F1-966C-A464242F1D8B" name="username" display="Username" widget="text" value="" attrs=""/>
    <field id="uuid-234ABB32-4D9B-11F1-966C-A464242F1D8B" name="password" display="Password" key="password" attrs="" widget="password"/>
    <field value="" attrs="" widget="submit" name="submit" id="uuid-234B060A-4D9B-11F1-966C-A464242F1D8B" display="Login" key="submit"/>
  </form>
</response>