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;" uri="" method="post" key="login" uuid="5E76205E-1993-11EA-97C8-1B080BBD1946">
    <field name="username" value="" display="Username" id="uuid-5E765542-1993-11EA-97C8-1B080BBD1946" attrs="" widget="text" key="username"/>
    <field id="uuid-5E768ABC-1993-11EA-97C8-1B080BBD1946" display="Password" attrs="" widget="password" key="password" name="password"/>
    <field name="submit" value="" widget="submit" attrs="" display="Login" id="uuid-5E76C126-1993-11EA-97C8-1B080BBD1946" key="submit"/>
  </form>
</response>