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 uri="" uuid="0236E7A6-4DD5-11F1-B816-E6131BBD9EFC" encoding="&#x2713;" key="login" method="post">
    <field display="Username" value="" name="username" key="username" id="uuid-02371848-4DD5-11F1-B816-E6131BBD9EFC" attrs="" widget="text"/>
    <field id="uuid-02375D12-4DD5-11F1-B816-E6131BBD9EFC" attrs="" widget="password" display="Password" name="password" key="password"/>
    <field key="submit" name="submit" value="" display="Login" widget="submit" attrs="" id="uuid-0237A83A-4DD5-11F1-B816-E6131BBD9EFC"/>
  </form>
</response>