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="" method="post" uuid="59F22896-C02A-11EA-9F7B-4360B7D749F2" encoding="&#x2713;" key="login">
    <field value="" widget="text" key="username" display="Username" name="username" attrs="" id="uuid-59F25992-C02A-11EA-9F7B-4360B7D749F2"/>
    <field name="password" display="Password" key="password" widget="password" id="uuid-59F288B8-C02A-11EA-9F7B-4360B7D749F2" attrs=""/>
    <field value="" widget="submit" key="submit" display="Login" name="submit" attrs="" id="uuid-59F2BA18-C02A-11EA-9F7B-4360B7D749F2"/>
  </form>
</response>