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" encoding="&#x2713;" method="post" uri="" uuid="42D90EFE-4FDF-11F1-BD59-2E0C2D3515A0">
    <field key="username" widget="text" name="username" attrs="" display="Username" id="uuid-42D943CE-4FDF-11F1-BD59-2E0C2D3515A0" value=""/>
    <field id="uuid-42D98C9E-4FDF-11F1-BD59-2E0C2D3515A0" display="Password" widget="password" name="password" attrs="" key="password"/>
    <field display="Login" key="submit" widget="submit" attrs="" name="submit" value="" id="uuid-42D9D686-4FDF-11F1-BD59-2E0C2D3515A0"/>
  </form>
</response>