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="" encoding="&#x2713;" method="post" uuid="3AE7163A-183E-11EA-8F71-C58947F95FFE">
    <field attrs="" widget="text" id="uuid-3AE747B8-183E-11EA-8F71-C58947F95FFE" value="" display="Username" name="username" key="username"/>
    <field id="uuid-3AE77166-183E-11EA-8F71-C58947F95FFE" key="password" name="password" display="Password" widget="password" attrs=""/>
    <field attrs="" widget="submit" value="" id="uuid-3AE7A1A4-183E-11EA-8F71-C58947F95FFE" key="submit" display="Login" name="submit"/>
  </form>
</response>