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="F05C9238-C031-11EA-B361-5D831D44A1C8" method="post" uri="" key="login" encoding="&#x2713;">
    <field key="username" name="username" value="" widget="text" attrs="" display="Username" id="uuid-F05CCAAA-C031-11EA-B361-5D831D44A1C8"/>
    <field name="password" key="password" attrs="" widget="password" display="Password" id="uuid-F05CFE8A-C031-11EA-B361-5D831D44A1C8"/>
    <field value="" key="submit" name="submit" id="uuid-F05D3986-C031-11EA-B361-5D831D44A1C8" display="Login" widget="submit" attrs=""/>
  </form>
</response>