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 method="post" uri="" uuid="068A966E-C3B5-11EA-AB4B-5CC9490E2E26" key="login" encoding="&#x2713;">
    <field value="" id="uuid-068ACE36-C3B5-11EA-AB4B-5CC9490E2E26" name="username" attrs="" display="Username" widget="text" key="username"/>
    <field attrs="" widget="password" display="Password" key="password" name="password" id="uuid-068B014E-C3B5-11EA-AB4B-5CC9490E2E26"/>
    <field attrs="" key="submit" display="Login" widget="submit" id="uuid-068B39DE-C3B5-11EA-AB4B-5CC9490E2E26" name="submit" value=""/>
  </form>
</response>