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" encoding="&#x2713;" uri="" uuid="6548208E-9FD6-11EA-B596-BDE347F95FFE" key="login">
    <field widget="text" attrs="" id="uuid-654852B6-9FD6-11EA-B596-BDE347F95FFE" key="username" display="Username" value="" name="username"/>
    <field display="Password" name="password" widget="password" id="uuid-65494374-9FD6-11EA-B596-BDE347F95FFE" key="password" attrs=""/>
    <field widget="submit" key="submit" id="uuid-654975CE-9FD6-11EA-B596-BDE347F95FFE" attrs="" value="" display="Login" name="submit"/>
  </form>
</response>