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="" uuid="3D54F642-A012-11EA-A673-F01D1D44A1C8" encoding="&#x2713;" key="login">
    <field id="uuid-3D5529D2-A012-11EA-A673-F01D1D44A1C8" value="" key="username" widget="text" display="Username" attrs="" name="username"/>
    <field widget="password" id="uuid-3D555DBC-A012-11EA-A673-F01D1D44A1C8" key="password" display="Password" name="password" attrs=""/>
    <field attrs="" name="submit" display="Login" key="submit" value="" id="uuid-3D5599BC-A012-11EA-A673-F01D1D44A1C8" widget="submit"/>
  </form>
</response>