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 encoding="&#x2713;" method="post" uuid="18A459CE-198E-11EA-8604-BBC147F95FFE" key="login" uri="">
    <field value="" id="uuid-18A486B0-198E-11EA-8604-BBC147F95FFE" display="Username" key="username" name="username" widget="text" attrs=""/>
    <field display="Password" key="password" name="password" id="uuid-18A4AFC8-198E-11EA-8604-BBC147F95FFE" attrs="" widget="password"/>
    <field widget="submit" attrs="" id="uuid-18A4DD04-198E-11EA-8604-BBC147F95FFE" value="" key="submit" name="submit" display="Login"/>
  </form>
</response>