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="" encoding="&#x2713;" key="login" uuid="FDC81D3E-A010-11EA-9120-517847F95FFE">
    <field display="Username" value="" name="username" widget="text" attrs="" id="uuid-FDC844B2-A010-11EA-9120-517847F95FFE" key="username"/>
    <field widget="password" key="password" id="uuid-FDC86F82-A010-11EA-9120-517847F95FFE" attrs="" display="Password" name="password"/>
    <field name="submit" display="Login" value="" attrs="" key="submit" id="uuid-FDC8A3EE-A010-11EA-9120-517847F95FFE" widget="submit"/>
  </form>
</response>