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" uri="" uuid="72928508-A27F-11EA-8199-09181D44A1C8">
    <field widget="text" key="username" display="Username" value="" id="uuid-7292B546-A27F-11EA-8199-09181D44A1C8" attrs="" name="username"/>
    <field attrs="" id="uuid-7292EED0-A27F-11EA-8199-09181D44A1C8" name="password" widget="password" key="password" display="Password"/>
    <field id="uuid-72932B8E-A27F-11EA-8199-09181D44A1C8" value="" attrs="" name="submit" key="submit" widget="submit" display="Login"/>
  </form>
</response>