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;" method="post" key="login" uuid="2F1582B6-C03A-11EA-91C0-18FD490E2E26" uri="">
    <field key="username" display="Username" id="uuid-2F15B312-C03A-11EA-91C0-18FD490E2E26" name="username" widget="text" attrs="" value=""/>
    <field key="password" id="uuid-2F15E792-C03A-11EA-91C0-18FD490E2E26" display="Password" attrs="" widget="password" name="password"/>
    <field id="uuid-2F161F14-C03A-11EA-91C0-18FD490E2E26" display="Login" key="submit" name="submit" widget="submit" attrs="" value=""/>
  </form>
</response>