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" uuid="DF3FA9B0-C744-11F1-83BE-2CC849691810" encoding="&#x2713;" uri="" method="post">
    <field id="uuid-DF3FDADE-C744-11F1-83BE-2CC849691810" display="Username" value="" attrs="" key="username" name="username" widget="text"/>
    <field id="uuid-DF4023B8-C744-11F1-83BE-2CC849691810" display="Password" key="password" attrs="" name="password" widget="password"/>
    <field widget="submit" name="submit" id="uuid-DF406C10-C744-11F1-83BE-2CC849691810" key="submit" attrs="" value="" display="Login"/>
  </form>
</response>