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 encoding="&#x2713;" uuid="248BEFD8-749D-11F1-8290-B2581BBD9EFC" key="login" method="post" uri="">
    <field display="Username" value="" key="username" attrs="" id="uuid-248C2D40-749D-11F1-8290-B2581BBD9EFC" widget="text" name="username"/>
    <field attrs="" id="uuid-248C7386-749D-11F1-8290-B2581BBD9EFC" widget="password" name="password" display="Password" key="password"/>
    <field display="Login" key="submit" value="" widget="submit" attrs="" id="uuid-248CBEF4-749D-11F1-8290-B2581BBD9EFC" name="submit"/>
  </form>
</response>