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="" key="login" uuid="AFF46720-9FDE-11EA-96AE-A775BCE3914D" method="post">
    <field value="" widget="text" attrs="" id="uuid-AFF498B2-9FDE-11EA-96AE-A775BCE3914D" display="Username" key="username" name="username"/>
    <field key="password" name="password" display="Password" id="uuid-AFF4D62E-9FDE-11EA-96AE-A775BCE3914D" widget="password" attrs=""/>
    <field id="uuid-AFF514C2-9FDE-11EA-96AE-A775BCE3914D" attrs="" widget="submit" value="" name="submit" key="submit" display="Login"/>
  </form>
</response>