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 uri="" uuid="3E1A5BBE-1FFF-11EA-9893-76162D83AE63" method="post" key="login" encoding="&#x2713;">
    <field value="" display="Username" id="uuid-3E1A8BAC-1FFF-11EA-9893-76162D83AE63" key="username" widget="text" attrs="" name="username"/>
    <field display="Password" id="uuid-3E1AC284-1FFF-11EA-9893-76162D83AE63" key="password" widget="password" attrs="" name="password"/>
    <field name="submit" attrs="" widget="submit" key="submit" id="uuid-3E1AF772-1FFF-11EA-9893-76162D83AE63" value="" display="Login"/>
  </form>
</response>