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="" method="post" key="login" uuid="5B29A45A-199A-11EA-A43F-6E1A4A0E2E26">
    <field name="username" widget="text" attrs="" value="" id="uuid-5B29D1B4-199A-11EA-A43F-6E1A4A0E2E26" key="username" display="Username"/>
    <field key="password" id="uuid-5B2A05D0-199A-11EA-A43F-6E1A4A0E2E26" display="Password" attrs="" name="password" widget="password"/>
    <field id="uuid-5B2A48CE-199A-11EA-A43F-6E1A4A0E2E26" key="submit" value="" display="Login" attrs="" name="submit" widget="submit"/>
  </form>
</response>