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" method="post" uuid="4F021E14-C02F-11EA-9141-30831D44A1C8">
    <field key="username" name="username" value="" widget="text" attrs="" display="Username" id="uuid-4F0255AA-C02F-11EA-9141-30831D44A1C8"/>
    <field name="password" key="password" attrs="" widget="password" id="uuid-4F028AD4-C02F-11EA-9141-30831D44A1C8" display="Password"/>
    <field widget="submit" attrs="" id="uuid-4F02C5B2-C02F-11EA-9141-30831D44A1C8" display="Login" key="submit" name="submit" value=""/>
  </form>
</response>