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" method="post" encoding="&#x2713;" uri="" uuid="3BF5A68E-371A-11F1-8393-8414802D798A">
    <field display="Username" id="uuid-3BF5E4F0-371A-11F1-8393-8414802D798A" value="" attrs="" key="username" name="username" widget="text"/>
    <field id="uuid-3BF63266-371A-11F1-8393-8414802D798A" display="Password" attrs="" name="password" widget="password" key="password"/>
    <field display="Login" id="uuid-3BF67ED8-371A-11F1-8393-8414802D798A" value="" attrs="" name="submit" widget="submit" key="submit"/>
  </form>
</response>