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 uuid="54F89308-9FDB-11EA-AC68-A71CB7D749F2" method="post" key="login" uri="" encoding="&#x2713;">
    <field name="username" key="username" display="Username" attrs="" value="" id="uuid-54F8C51C-9FDB-11EA-AC68-A71CB7D749F2" widget="text"/>
    <field attrs="" display="Password" key="password" name="password" widget="password" id="uuid-54F8FBE0-9FDB-11EA-AC68-A71CB7D749F2"/>
    <field display="Login" key="submit" name="submit" value="" attrs="" id="uuid-54F92B42-9FDB-11EA-AC68-A71CB7D749F2" widget="submit"/>
  </form>
</response>