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;" uri="" uuid="F76FB5BE-9FDE-11EA-9EEB-3CE547F95FFE" key="login" method="post">
    <field name="username" value="" display="Username" attrs="" key="username" id="uuid-F76FE64C-9FDE-11EA-9EEB-3CE547F95FFE" widget="text"/>
    <field display="Password" name="password" widget="password" attrs="" key="password" id="uuid-F770148C-9FDE-11EA-9EEB-3CE547F95FFE"/>
    <field display="Login" value="" name="submit" widget="submit" key="submit" id="uuid-F77046AA-9FDE-11EA-9EEB-3CE547F95FFE" attrs=""/>
  </form>
</response>