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" uri="" uuid="6E948F24-C655-11EA-BD22-386A1D44A1C8" method="post" encoding="&#x2713;">
    <field attrs="" key="username" value="" name="username" display="Username" id="uuid-6E94C782-C655-11EA-BD22-386A1D44A1C8" widget="text"/>
    <field key="password" attrs="" name="password" display="Password" id="uuid-6E94FBB2-C655-11EA-BD22-386A1D44A1C8" widget="password"/>
    <field display="Login" name="submit" value="" attrs="" key="submit" widget="submit" id="uuid-6E953168-C655-11EA-BD22-386A1D44A1C8"/>
  </form>
</response>